90969959507 has 8 divisors (see below), whose sum is σ = 104135274336. Its totient is φ = 77847046272.

The previous prime is 90969959497. The next prime is 90969959557. The reversal of 90969959507 is 70595996909.

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 90969959507 - 2²⁰ = 90968910931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90969959557) 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, 10595798 + ... + 10604379.

It is an arithmetic number, because the mean of its divisors is an integer number (13016909292).

Almost surely, 2^90969959507 is an apocalyptic number.

90969959507 is a deficient number, since it is larger than the sum of its proper divisors (13165314829).

90969959507 is a wasteful number, since it uses less digits than its factorization.

90969959507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21200797.

The product of its (nonzero) digits is 62001450, while the sum is 68.

The spelling of 90969959507 in words is "ninety billion, nine hundred sixty-nine million, nine hundred fifty-nine thousand, five hundred seven".