38578056636 has 48 divisors (see below), whose sum is σ = 102886703360. Its totient is φ = 11021028480.

The previous prime is 38578056613. The next prime is 38578056689. The reversal of 38578056636 is 63665087583.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 893760 + ... + 935928.

Almost surely, 2^38578056636 is an apocalyptic number.

It is an amenable number.

38578056636 is an abundant number, since it is smaller than the sum of its proper divisors (64308646724).

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

38578056636 is a wasteful number, since it uses less digits than its factorization.

38578056636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53074 (or 53072 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 57.

The spelling of 38578056636 in words is "thirty-eight billion, five hundred seventy-eight million, fifty-six thousand, six hundred thirty-six".