3855479500756 has 192 divisors, whose sum is σ = 7997805527040. Its totient is φ = 1610316288000.

The previous prime is 3855479500643. The next prime is 3855479500759. The reversal of 3855479500756 is 6570059745583.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3855479500759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1280463291 + ... + 1280466301.

It is an arithmetic number, because the mean of its divisors is an integer number (41655237120).

Almost surely, 2^{3855479500756} is an apocalyptic number.

It is an amenable number.

3855479500756 is an abundant number, since it is smaller than the sum of its proper divisors (4142326026284).

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

3855479500756 is a wasteful number, since it uses less digits than its factorization.

3855479500756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3606 (or 3604 counting only the distinct ones).

The product of its (nonzero) digits is 158760000, while the sum is 64.

The spelling of 3855479500756 in words is "three trillion, eight hundred fifty-five billion, four hundred seventy-nine million, five hundred thousand, seven hundred fifty-six".