697376816 has 10 divisors (see below), whose sum is σ = 1351167612. Its totient is φ = 348688400.

The previous prime is 697376791. The next prime is 697376819. The reversal of 697376816 is 618673796.

It is not an unprimeable number, because it can be changed into a prime (697376819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21793010 + ... + 21793041.

Almost surely, 2^697376816 is an apocalyptic number.

It is an amenable number.

697376816 is a deficient number, since it is larger than the sum of its proper divisors (653790796).

697376816 is a wasteful number, since it uses less digits than its factorization.

697376816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43586059 (or 43586053 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 53.

The square root of 697376816 is about 26407.8930624918. The cubic root of 697376816 is about 886.7935012433.

The spelling of 697376816 in words is "six hundred ninety-seven million, three hundred seventy-six thousand, eight hundred sixteen".