680926902 has 32 divisors (see below), whose sum is σ = 1482969600. Its totient is φ = 207613728.

The previous prime is 680926877. The next prime is 680926903. The reversal of 680926902 is 209629086.

680926902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×680926902² = 927322891734635208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680926903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99678 + ... + 106289.

It is an arithmetic number, because the mean of its divisors is an integer number (46342800).

Almost surely, 2^680926902 is an apocalyptic number.

680926902 is an abundant number, since it is smaller than the sum of its proper divisors (802042698).

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

680926902 is a wasteful number, since it uses less digits than its factorization.

680926902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206020.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 680926902 is about 26094.5761030908. The cubic root of 680926902 is about 879.7653050091.

The spelling of 680926902 in words is "six hundred eighty million, nine hundred twenty-six thousand, nine hundred two".