697880056464 has 30 divisors (see below), whose sum is σ = 1953094880646. Its totient is φ = 232626685440.

The previous prime is 697880056463. The next prime is 697880056481. The reversal of 697880056464 is 464650088796.

697880056464 is a `hidden beast` number, since 6 + 9 + 7 + 8 + 8 + 0 + 0 + 564 + 64 = 666.

It can be written as a sum of positive squares in only one way, i.e., 557560890000 + 140319166464 = 746700^2 + 374592^2 .

It is a super-3 number, since 3×697880056464³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (697880056463) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2423194497 + ... + 2423194784.

Almost surely, 2^697880056464 is an apocalyptic number.

It is an amenable number.

697880056464 is an abundant number, since it is smaller than the sum of its proper divisors (1255214824182).

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

697880056464 is a wasteful number, since it uses less digits than its factorization.

697880056464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4846389295 (or 4846389286 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 63.

The spelling of 697880056464 in words is "six hundred ninety-seven billion, eight hundred eighty million, fifty-six thousand, four hundred sixty-four".