685922676 has 12 divisors (see below), whose sum is σ = 1600486272. Its totient is φ = 228640888.

The previous prime is 685922651. The next prime is 685922701. The reversal of 685922676 is 676229586.

It is an interprime number because it is at equal distance from previous prime (685922651) and next prime (685922701).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28580100 + ... + 28580123.

It is an arithmetic number, because the mean of its divisors is an integer number (133373856).

Almost surely, 2^685922676 is an apocalyptic number.

It is an amenable number.

685922676 is an abundant number, since it is smaller than the sum of its proper divisors (914563596).

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

685922676 is a wasteful number, since it uses less digits than its factorization.

685922676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57160230 (or 57160228 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The square root of 685922676 is about 26190.1255437999. The cubic root of 685922676 is about 881.9115969006.

The spelling of 685922676 in words is "six hundred eighty-five million, nine hundred twenty-two thousand, six hundred seventy-six".