97573307427 has 32 divisors (see below), whose sum is σ = 152226144000. Its totient is φ = 61598905920.

The previous prime is 97573307417. The next prime is 97573307471. The reversal of 97573307427 is 72470337579.

It is a de Polignac number, because none of the positive numbers 2^k-97573307427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97573307417) 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, 1197399 + ... + 1276287.

It is an arithmetic number, because the mean of its divisors is an integer number (4757067000).

Almost surely, 2^97573307427 is an apocalyptic number.

97573307427 is a deficient number, since it is larger than the sum of its proper divisors (54652836573).

97573307427 is a wasteful number, since it uses less digits than its factorization.

97573307427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81328 (or 81322 counting only the distinct ones).

The product of its (nonzero) digits is 7779240, while the sum is 54.

The spelling of 97573307427 in words is "ninety-seven billion, five hundred seventy-three million, three hundred seven thousand, four hundred twenty-seven".