687116234 has 16 divisors (see below), whose sum is σ = 1247203008. Its totient is φ = 277156032.

The previous prime is 687116219. The next prime is 687116249. The reversal of 687116234 is 432611786.

It is an interprime number because it is at equal distance from previous prime (687116219) and next prime (687116249).

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, 1443284 + ... + 1443759.

It is an arithmetic number, because the mean of its divisors is an integer number (77950188).

Almost surely, 2^687116234 is an apocalyptic number.

687116234 is a deficient number, since it is larger than the sum of its proper divisors (560086774).

687116234 is a wasteful number, since it uses less digits than its factorization.

687116234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2887069.

The product of its digits is 48384, while the sum is 38.

The square root of 687116234 is about 26212.9020522337. The cubic root of 687116234 is about 882.4228317311.

The spelling of 687116234 in words is "six hundred eighty-seven million, one hundred sixteen thousand, two hundred thirty-four".