97968566464 has 14 divisors (see below), whose sum is σ = 194406374204. Its totient is φ = 48984283200.

The previous prime is 97968566459. The next prime is 97968566483. The reversal of 97968566464 is 46466586979.

It is a super-2 number, since 2×97968566464² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 97968566393 and 97968566402.

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 as a sum of consecutive naturals, namely, 765379362 + ... + 765379489.

It is an arithmetic number, because the mean of its divisors is an integer number (13886169586).

Almost surely, 2^97968566464 is an apocalyptic number.

It is an amenable number.

97968566464 is a deficient number, since it is larger than the sum of its proper divisors (96437807740).

97968566464 is a wasteful number, since it uses less digits than its factorization.

97968566464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530758863 (or 1530758853 counting only the distinct ones).

The product of its digits is 470292480, while the sum is 70.

The spelling of 97968566464 in words is "ninety-seven billion, nine hundred sixty-eight million, five hundred sixty-six thousand, four hundred sixty-four".