388678427620 has 48 divisors (see below), whose sum is σ = 940173373440. Its totient is φ = 132211868544.

The previous prime is 388678427617. The next prime is 388678427647. The reversal of 388678427620 is 26724876883.

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, 10912435 + ... + 10947994.

It is an arithmetic number, because the mean of its divisors is an integer number (19586945280).

Almost surely, 2^388678427620 is an apocalyptic number.

It is an amenable number.

388678427620 is an abundant number, since it is smaller than the sum of its proper divisors (551494945820).

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

388678427620 is a wasteful number, since it uses less digits than its factorization.

388678427620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21860572 (or 21860570 counting only the distinct ones).

The product of its (nonzero) digits is 43352064, while the sum is 61.

The spelling of 388678427620 in words is "three hundred eighty-eight billion, six hundred seventy-eight million, four hundred twenty-seven thousand, six hundred twenty".