38787786432 has 84 divisors (see below), whose sum is σ = 117718109496. Its totient is φ = 12168714240.

The previous prime is 38787786419. The next prime is 38787786467. The reversal of 38787786432 is 23468778783.

It is a self number, because there is not a number n which added to its sum of digits gives 38787786432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1970794 + ... + 1990377.

Almost surely, 2^38787786432 is an apocalyptic number.

38787786432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

38787786432 is an abundant number, since it is smaller than the sum of its proper divisors (78930323064).

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

38787786432 is a wasteful number, since it uses less digits than its factorization.

38787786432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3961206 (or 3961193 counting only the distinct ones).

The product of its digits is 75866112, while the sum is 63.

The spelling of 38787786432 in words is "thirty-eight billion, seven hundred eighty-seven million, seven hundred eighty-six thousand, four hundred thirty-two".