697659964 has 12 divisors (see below), whose sum is σ = 1234623600. Its totient is φ = 344910368.

The previous prime is 697659959. The next prime is 697659973. The reversal of 697659964 is 469956796.

697659964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 979504 + ... + 980215.

It is an arithmetic number, because the mean of its divisors is an integer number (102885300).

Almost surely, 2^697659964 is an apocalyptic number.

It is an amenable number.

697659964 is a deficient number, since it is larger than the sum of its proper divisors (536963636).

697659964 is a wasteful number, since it uses less digits than its factorization.

697659964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1959812 (or 1959810 counting only the distinct ones).

The product of its digits is 22044960, while the sum is 61.

The square root of 697659964 is about 26413.2535671015. The cubic root of 697659964 is about 886.9135032400.

The spelling of 697659964 in words is "six hundred ninety-seven million, six hundred fifty-nine thousand, nine hundred sixty-four".