90755051684 has 24 divisors (see below), whose sum is σ = 183451389408. Its totient is φ = 38825690240.

The previous prime is 90755051683. The next prime is 90755051693. The reversal of 90755051684 is 48615055709.

It is a super-2 number, since 2×90755051684² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90755051683) 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, 60664394 + ... + 60665889.

It is an arithmetic number, because the mean of its divisors is an integer number (7643807892).

Almost surely, 2^90755051684 is an apocalyptic number.

It is an amenable number.

90755051684 is an abundant number, since it is smaller than the sum of its proper divisors (92696337724).

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

90755051684 is a wasteful number, since it uses less digits than its factorization.

90755051684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121330315 (or 121330313 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 50.

The spelling of 90755051684 in words is "ninety billion, seven hundred fifty-five million, fifty-one thousand, six hundred eighty-four".