3715778836 has 72 divisors (see below), whose sum is σ = 8261023680. Its totient is φ = 1431323520.

The previous prime is 3715778821. The next prime is 3715778849. The reversal of 3715778836 is 6388775173.

3715778836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 295371 + ... + 307693.

It is an arithmetic number, because the mean of its divisors is an integer number (114736440).

Almost surely, 2^3715778836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3715778836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4130511840).

3715778836 is an abundant number, since it is smaller than the sum of its proper divisors (4545244844).

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

3715778836 is a wasteful number, since it uses less digits than its factorization.

3715778836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12445 (or 12432 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 55.

The square root of 3715778836 is about 60957.1885506541. The cubic root of 3715778836 is about 1548.8758878320.

The spelling of 3715778836 in words is "three billion, seven hundred fifteen million, seven hundred seventy-eight thousand, eight hundred thirty-six".