687330276708 has 12 divisors (see below), whose sum is σ = 1603770645680. Its totient is φ = 229110092232.

The previous prime is 687330276701. The next prime is 687330276709. The reversal of 687330276708 is 807672033786.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (687330276701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28638761518 + ... + 28638761541.

Almost surely, 2^687330276708 is an apocalyptic number.

It is an amenable number.

687330276708 is an abundant number, since it is smaller than the sum of its proper divisors (916440368972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

687330276708 is a wasteful number, since it uses less digits than its factorization.

687330276708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57277523066 (or 57277523064 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 57.

The spelling of 687330276708 in words is "six hundred eighty-seven billion, three hundred thirty million, two hundred seventy-six thousand, seven hundred eight".