38635438986 has 24 divisors (see below), whose sum is σ = 83713846944. Its totient is φ = 12877905960.

The previous prime is 38635438957. The next prime is 38635439041. The reversal of 38635438986 is 68983453683.

38635438986 is a `hidden beast` number, since 3 + 8 + 6 + 3 + 543 + 8 + 9 + 86 = 666.

38635438986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 618321 + ... + 677931.

It is an arithmetic number, because the mean of its divisors is an integer number (3488076956).

Almost surely, 2^38635438986 is an apocalyptic number.

38635438986 is an abundant number, since it is smaller than the sum of its proper divisors (45078407958).

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

38635438986 is a wasteful number, since it uses less digits than its factorization.

38635438986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95626 (or 95623 counting only the distinct ones).

The product of its digits is 89579520, while the sum is 63.

The spelling of 38635438986 in words is "thirty-eight billion, six hundred thirty-five million, four hundred thirty-eight thousand, nine hundred eighty-six".