687058375 has 8 divisors (see below), whose sum is σ = 857449008. Its totient is φ = 549646600.

The previous prime is 687058367. The next prime is 687058399. The reversal of 687058375 is 573850786.

It is not a de Polignac number, because 687058375 - 2³ = 687058367 is a prime.

It is a Duffinian number.

It is a congruent 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, 2748109 + ... + 2748358.

It is an arithmetic number, because the mean of its divisors is an integer number (107181126).

Almost surely, 2^687058375 is an apocalyptic number.

687058375 is a deficient number, since it is larger than the sum of its proper divisors (170390633).

687058375 is an equidigital number, since it uses as much as digits as its factorization.

687058375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5496482 (or 5496472 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 49.

The square root of 687058375 is about 26211.7983930901. The cubic root of 687058375 is about 882.3980627361.

The spelling of 687058375 in words is "six hundred eighty-seven million, fifty-eight thousand, three hundred seventy-five".