680995520970 has 64 divisors (see below), whose sum is σ = 1651201390080. Its totient is φ = 179734464000.

The previous prime is 680995520911. The next prime is 680995520993. The reversal of 680995520970 is 79025599086.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2864670 + ... + 3093270.

It is an arithmetic number, because the mean of its divisors is an integer number (25800021720).

Almost surely, 2^680995520970 is an apocalyptic number.

680995520970 is an abundant number, since it is smaller than the sum of its proper divisors (970205869110).

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

680995520970 is a wasteful number, since it uses less digits than its factorization.

680995520970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229631.

The product of its (nonzero) digits is 12247200, while the sum is 60.

The spelling of 680995520970 in words is "six hundred eighty billion, nine hundred ninety-five million, five hundred twenty thousand, nine hundred seventy".