38878494732 has 108 divisors (see below), whose sum is σ = 124714194696. Its totient is φ = 10098305280.

The previous prime is 38878494703. The next prime is 38878494737. The reversal of 38878494732 is 23749487883.

38878494732 is a `hidden beast` number, since 3 + 8 + 8 + 78 + 494 + 73 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 38878494732.

It is not an unprimeable number, because it can be changed into a prime (38878494737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 982413 + ... + 1021220.

It is an arithmetic number, because the mean of its divisors is an integer number (1154761062).

Almost surely, 2^38878494732 is an apocalyptic number.

It is an amenable number.

38878494732 is an abundant number, since it is smaller than the sum of its proper divisors (85835699964).

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

38878494732 is a wasteful number, since it uses less digits than its factorization.

38878494732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003668 (or 2003656 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 63.

The spelling of 38878494732 in words is "thirty-eight billion, eight hundred seventy-eight million, four hundred ninety-four thousand, seven hundred thirty-two".