687930283136 has 64 divisors (see below), whose sum is σ = 1425022709760. Its totient is φ = 330439526400.

The previous prime is 687930283067. The next prime is 687930283163. The reversal of 687930283136 is 631382039786.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

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, 89120 + ... + 1176351.

It is an arithmetic number, because the mean of its divisors is an integer number (22265979840).

Almost surely, 2^687930283136 is an apocalyptic number.

It is an amenable number.

687930283136 is an abundant number, since it is smaller than the sum of its proper divisors (737092426624).

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

687930283136 is a wasteful number, since it uses less digits than its factorization.

687930283136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265653 (or 1265641 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 56.

The spelling of 687930283136 in words is "six hundred eighty-seven billion, nine hundred thirty million, two hundred eighty-three thousand, one hundred thirty-six".