90486853139796 has 12 divisors (see below), whose sum is σ = 211135990659552. Its totient is φ = 30162284379928.

The previous prime is 90486853139759. The next prime is 90486853139801. The reversal of 90486853139796 is 69793135868409.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×90486853139796² (a number of 29 digits) contains 22 as substring.

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, 3770285547480 + ... + 3770285547503.

It is an arithmetic number, because the mean of its divisors is an integer number (17594665888296).

Almost surely, 2^{90486853139796} is an apocalyptic number.

It is an amenable number.

90486853139796 is an abundant number, since it is smaller than the sum of its proper divisors (120649137519756).

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

90486853139796 is a wasteful number, since it uses less digits than its factorization.

90486853139796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7540571094990 (or 7540571094988 counting only the distinct ones).

The product of its (nonzero) digits is 2116316160, while the sum is 78.

The spelling of 90486853139796 in words is "ninety trillion, four hundred eighty-six billion, eight hundred fifty-three million, one hundred thirty-nine thousand, seven hundred ninety-six".