971859470656 has 28 divisors (see below), whose sum is σ = 1929347322400. Its totient is φ = 485724712320.

The previous prime is 971859470539. The next prime is 971859470671. The reversal of 971859470656 is 656074958179.

It is a junction number, because it is equal to n+sod(n) for n = 971859470591 and 971859470600.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3050556 + ... + 3354043.

Almost surely, 2^971859470656 is an apocalyptic number.

It is an amenable number.

971859470656 is a deficient number, since it is larger than the sum of its proper divisors (957487851744).

971859470656 is a wasteful number, since it uses less digits than its factorization.

971859470656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6406982 (or 6406972 counting only the distinct ones).

The product of its (nonzero) digits is 114307200, while the sum is 67.

The spelling of 971859470656 in words is "nine hundred seventy-one billion, eight hundred fifty-nine million, four hundred seventy thousand, six hundred fifty-six".