687076874 has 32 divisors (see below), whose sum is σ = 1165933440. Its totient is φ = 300798400.

The previous prime is 687076849. The next prime is 687076883. The reversal of 687076874 is 478670786.

It is a super-2 number, since 2×687076874² = 944149261571223752, which contains 22 as substring.

It is a Curzon 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, 319844 + ... + 321984.

It is an arithmetic number, because the mean of its divisors is an integer number (36435420).

Almost surely, 2^687076874 is an apocalyptic number.

687076874 is a deficient number, since it is larger than the sum of its proper divisors (478856566).

687076874 is a wasteful number, since it uses less digits than its factorization.

687076874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686.

The product of its (nonzero) digits is 3161088, while the sum is 53.

The square root of 687076874 is about 26212.1512661590. The cubic root of 687076874 is about 882.4059821676.

The spelling of 687076874 in words is "six hundred eighty-seven million, seventy-six thousand, eight hundred seventy-four".