388750875 has 16 divisors (see below), whose sum is σ = 646882080. Its totient is φ = 207333600.

The previous prime is 388750847. The next prime is 388750903. The reversal of 388750875 is 578057883.

It is an interprime number because it is at equal distance from previous prime (388750847) and next prime (388750903).

It is a de Polignac number, because none of the positive numbers 2^k-388750875 is a prime.

It is a super-2 number, since 2×388750875² = 302254485626531250, which contains 22 as substring.

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, 517960 + ... + 518709.

It is an arithmetic number, because the mean of its divisors is an integer number (40430130).

Almost surely, 2^388750875 is an apocalyptic number.

388750875 is a deficient number, since it is larger than the sum of its proper divisors (258131205).

388750875 is a wasteful number, since it uses less digits than its factorization.

388750875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036687 (or 1036677 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 51.

The square root of 388750875 is about 19716.7663423798. The cubic root of 388750875 is about 729.8334986501.

The spelling of 388750875 in words is "three hundred eighty-eight million, seven hundred fifty thousand, eight hundred seventy-five".