387020875 has 8 divisors (see below), whose sum is σ = 483002208. Its totient is φ = 309616600.

The previous prime is 387020849. The next prime is 387020903. The reversal of 387020875 is 578020783.

It is not a de Polignac number, because 387020875 - 2²¹ = 384923723 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1547959 + ... + 1548208.

It is an arithmetic number, because the mean of its divisors is an integer number (60375276).

Almost surely, 2^387020875 is an apocalyptic number.

387020875 is a deficient number, since it is larger than the sum of its proper divisors (95981333).

387020875 is an equidigital number, since it uses as much as digits as its factorization.

387020875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3096182 (or 3096172 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 387020875 is about 19672.8461336940. The cubic root of 387020875 is about 728.7492656909.

The spelling of 387020875 in words is "three hundred eighty-seven million, twenty thousand, eight hundred seventy-five".