3778379100 has 108 divisors (see below), whose sum is σ = 11859100344. Its totient is φ = 1006208640.

The previous prime is 3778379071. The next prime is 3778379117. The reversal of 3778379100 is 19738773.

It is a super-2 number, since 2×3778379100² = 28552297246633620000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 786907 + ... + 791693.

Almost surely, 2^3778379100 is an apocalyptic number.

3778379100 is a gapful number since it is divisible by the number (30) 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 3778379100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5929550172).

3778379100 is an abundant number, since it is smaller than the sum of its proper divisors (8080721244).

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

3778379100 is a wasteful number, since it uses less digits than its factorization.

3778379100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5684 (or 5674 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The square root of 3778379100 is about 61468.5212120806. The cubic root of 3778379100 is about 1557.5255396293.

The spelling of 3778379100 in words is "three billion, seven hundred seventy-eight million, three hundred seventy-nine thousand, one hundred".