90856469526 has 8 divisors (see below), whose sum is σ = 181712939064. Its totient is φ = 30285489840.

The previous prime is 90856469513. The next prime is 90856469549. The reversal of 90856469526 is 62596465809.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

90856469526 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 90856469526.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7571372455 + ... + 7571372466.

It is an arithmetic number, because the mean of its divisors is an integer number (22714117383).

Almost surely, 2^90856469526 is an apocalyptic number.

90856469526 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90856469526 is a wasteful number, since it uses less digits than its factorization.

90856469526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15142744926.

The product of its (nonzero) digits is 27993600, while the sum is 60.

The spelling of 90856469526 in words is "ninety billion, eight hundred fifty-six million, four hundred sixty-nine thousand, five hundred twenty-six".