97153973587 has 8 divisors (see below), whose sum is σ = 108241178112. Its totient is φ = 86442606600.

The previous prime is 97153973563. The next prime is 97153973593. The reversal of 97153973587 is 78537935179.

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

It is a cyclic number.

It is not a de Polignac number, because 97153973587 - 2²³ = 97145584979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97153973537) 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, 93958839 + ... + 93959872.

It is an arithmetic number, because the mean of its divisors is an integer number (13530147264).

Almost surely, 2^97153973587 is an apocalyptic number.

97153973587 is a deficient number, since it is larger than the sum of its proper divisors (11087204525).

97153973587 is a wasteful number, since it uses less digits than its factorization.

97153973587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187918769.

The product of its digits is 50009400, while the sum is 64.

The spelling of 97153973587 in words is "ninety-seven billion, one hundred fifty-three million, nine hundred seventy-three thousand, five hundred eighty-seven".