90597081295 has 32 divisors (see below), whose sum is σ = 125113471488. Its totient is φ = 61692098688.

The previous prime is 90597081277. The next prime is 90597081299. The reversal of 90597081295 is 59218079509.

It is a cyclic number.

It is not a de Polignac number, because 90597081295 - 2²¹ = 90594984143 is a prime.

It is a super-2 number, since 2×90597081295² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90597081299) 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, 3139804 + ... + 3168526.

It is an arithmetic number, because the mean of its divisors is an integer number (3909795984).

Almost surely, 2^90597081295 is an apocalyptic number.

90597081295 is a deficient number, since it is larger than the sum of its proper divisors (34516390193).

90597081295 is a wasteful number, since it uses less digits than its factorization.

90597081295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29359.

The product of its (nonzero) digits is 2041200, while the sum is 55.

The spelling of 90597081295 in words is "ninety billion, five hundred ninety-seven million, eighty-one thousand, two hundred ninety-five".