38599879968 has 120 divisors (see below), whose sum is σ = 122253679548. Its totient is φ = 11876875776.

The previous prime is 38599879949. The next prime is 38599879987. The reversal of 38599879968 is 86997899583.

It is a happy number.

38599879968 is a `hidden beast` number, since 385 + 9 + 98 + 7 + 99 + 68 = 666.

It is an interprime number because it is at equal distance from previous prime (38599879949) and next prime (38599879987).

It can be written as a sum of positive squares in 2 ways, for example, as 38395618704 + 204261264 = 195948^2 + 14292^2 .

It is a Harshad number since it is a multiple of its sum of digits (81).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 539071 + ... + 606462.

Almost surely, 2^38599879968 is an apocalyptic number.

It is an amenable number.

38599879968 is an abundant number, since it is smaller than the sum of its proper divisors (83653799580).

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

38599879968 is a wasteful number, since it uses less digits than its factorization.

38599879968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145568 (or 1145551 counting only the distinct ones).

The product of its digits is 2116316160, while the sum is 81.

The spelling of 38599879968 in words is "thirty-eight billion, five hundred ninety-nine million, eight hundred seventy-nine thousand, nine hundred sixty-eight".