97150116987 has 32 divisors (see below), whose sum is σ = 179440335360. Its totient is φ = 50467592160.

The previous prime is 97150116949. The next prime is 97150116989. The reversal of 97150116987 is 78961105179.

97150116987 is a `hidden beast` number, since 9 + 71 + 501 + 1 + 69 + 8 + 7 = 666.

It is not a de Polignac number, because 97150116987 - 2¹⁶ = 97150051451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97150116989) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23362548 + ... + 23366705.

It is an arithmetic number, because the mean of its divisors is an integer number (5607510480).

Almost surely, 2^97150116987 is an apocalyptic number.

97150116987 is a deficient number, since it is larger than the sum of its proper divisors (82290218373).

97150116987 is a wasteful number, since it uses less digits than its factorization.

97150116987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46729280 (or 46729274 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 54.

The spelling of 97150116987 in words is "ninety-seven billion, one hundred fifty million, one hundred sixteen thousand, nine hundred eighty-seven".