38678630828388 has 48 divisors (see below), whose sum is σ = 90303127266240. Its totient is φ = 12885309251584.

The previous prime is 38678630828351. The next prime is 38678630828401. The reversal of 38678630828388 is 88382803687683.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150085948 + ... + 150343436.

It is an arithmetic number, because the mean of its divisors is an integer number (1881315151380).

Almost surely, 2^{38678630828388} is an apocalyptic number.

It is an amenable number.

38678630828388 is an abundant number, since it is smaller than the sum of its proper divisors (51624496437852).

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

38678630828388 is a wasteful number, since it uses less digits than its factorization.

38678630828388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264796 (or 264794 counting only the distinct ones).

The product of its (nonzero) digits is 3567255552, while the sum is 78.

The spelling of 38678630828388 in words is "thirty-eight trillion, six hundred seventy-eight billion, six hundred thirty million, eight hundred twenty-eight thousand, three hundred eighty-eight".