90795591995 has 16 divisors (see below), whose sum is σ = 109531991712. Its totient is φ = 72252311040.

The previous prime is 90795591979. The next prime is 90795592021. The reversal of 90795591995 is 59919559709.

It is not a de Polignac number, because 90795591995 - 2⁴ = 90795591979 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1021349 + ... + 1106681.

It is an arithmetic number, because the mean of its divisors is an integer number (6845749482).

Almost surely, 2^90795591995 is an apocalyptic number.

90795591995 is a deficient number, since it is larger than the sum of its proper divisors (18736399717).

90795591995 is a wasteful number, since it uses less digits than its factorization.

90795591995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86462.

The product of its (nonzero) digits is 51667875, while the sum is 68.

The spelling of 90795591995 in words is "ninety billion, seven hundred ninety-five million, five hundred ninety-one thousand, nine hundred ninety-five".