3551877396 has 108 divisors (see below), whose sum is σ = 9616725300. Its totient is φ = 1104618240.

The previous prime is 3551877391. The next prime is 3551877401. The reversal of 3551877396 is 6937781553.

3551877396 is a `hidden beast` number, since 3 + 551 + 87 + 7 + 3 + 9 + 6 = 666.

3551877396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3551877391) and next prime (3551877401).

It can be written as a sum of positive squares in 2 ways, for example, as 1218987396 + 2332890000 = 34914^2 + 48300^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3551877391) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 778530 + ... + 783078.

Almost surely, 2^3551877396 is an apocalyptic number.

3551877396 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3551877396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4808362650).

3551877396 is an abundant number, since it is smaller than the sum of its proper divisors (6064847904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3551877396 is a wasteful number, since it uses less digits than its factorization.

3551877396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4646 (or 4618 counting only the distinct ones).

The product of its digits is 4762800, while the sum is 54.

The square root of 3551877396 is about 59597.6291139169. The cubic root of 3551877396 is about 1525.7591699452.

The spelling of 3551877396 in words is "three billion, five hundred fifty-one million, eight hundred seventy-seven thousand, three hundred ninety-six".