97000057000081 has 16 divisors (see below), whose sum is σ = 102230215401600. Its totient is φ = 91782399915648.

The previous prime is 97000057000039. The next prime is 97000057000123. The reversal of 97000057000081 is 18000075000079.

It is an interprime number because it is at equal distance from previous prime (97000057000039) and next prime (97000057000123).

It is a cyclic number.

It is not a de Polignac number, because 97000057000081 - 2²⁷ = 96999922782353 is a prime.

It is a super-2 number, since 2×97000057000081² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97000057000081.

It is not an unprimeable number, because it can be changed into a prime (97000057007081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306597331 + ... + 306913543.

It is an arithmetic number, because the mean of its divisors is an integer number (6389388462600).

Almost surely, 2^{97000057000081} is an apocalyptic number.

It is an amenable number.

97000057000081 is a deficient number, since it is larger than the sum of its proper divisors (5230158401519).

97000057000081 is a wasteful number, since it uses less digits than its factorization.

97000057000081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335928.

The product of its (nonzero) digits is 17640, while the sum is 37.

The spelling of 97000057000081 in words is "ninety-seven trillion, fifty-seven million, eighty-one", and thus it is an aban number and an uban number.