697071516864 has 56 divisors (see below), whose sum is σ = 1846110689280. Its totient is φ = 232133470464.

The previous prime is 697071516857. The next prime is 697071516877. The reversal of 697071516864 is 468615170796.

It is a junction number, because it is equal to n+sod(n) for n = 697071516798 and 697071516807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1547664 + ... + 1946639.

Almost surely, 2^697071516864 is an apocalyptic number.

697071516864 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

697071516864 is an abundant number, since it is smaller than the sum of its proper divisors (1149039172416).

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

697071516864 is a wasteful number, since it uses less digits than its factorization.

697071516864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3495357 (or 3495347 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 60.

The spelling of 697071516864 in words is "six hundred ninety-seven billion, seventy-one million, five hundred sixteen thousand, eight hundred sixty-four".