97136055987 has 8 divisors (see below), whose sum is σ = 129521065104. Its totient is φ = 64754208768.

The previous prime is 97136055967. The next prime is 97136056091. The reversal of 97136055987 is 78955063179.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97136055987 - 2³⁰ = 96062314163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97136055987.

It is not an unprimeable number, because it can be changed into a prime (97136055967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717838 + ... + 842355.

It is an arithmetic number, because the mean of its divisors is an integer number (16190133138).

Almost surely, 2^97136055987 is an apocalyptic number.

97136055987 is a deficient number, since it is larger than the sum of its proper divisors (32385009117).

97136055987 is a wasteful number, since it uses less digits than its factorization.

97136055987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580949.

The product of its (nonzero) digits is 14288400, while the sum is 60.

The spelling of 97136055987 in words is "ninety-seven billion, one hundred thirty-six million, fifty-five thousand, nine hundred eighty-seven".