97987611654584 has 32 divisors (see below), whose sum is σ = 194587924237920. Its totient is φ = 46099089494016.

The previous prime is 97987611654577. The next prime is 97987611654643. The reversal of 97987611654584 is 48545611678979.

It is a super-2 number, since 2×97987611654584² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (80) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 97987611654499 and 97987611654508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98941049 + ... + 99926504.

It is an arithmetic number, because the mean of its divisors is an integer number (6080872632435).

Almost surely, 2^{97987611654584} is an apocalyptic number.

It is an amenable number.

97987611654584 is a deficient number, since it is larger than the sum of its proper divisors (96600312583336).

97987611654584 is a wasteful number, since it uses less digits than its factorization.

97987611654584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198871199 (or 198871195 counting only the distinct ones).

The product of its digits is 3657830400, while the sum is 80.

The spelling of 97987611654584 in words is "ninety-seven trillion, nine hundred eighty-seven billion, six hundred eleven million, six hundred fifty-four thousand, five hundred eighty-four".