90529984692 has 180 divisors, whose sum is σ = 275542543584. Its totient is φ = 25843134240.

The previous prime is 90529984651. The next prime is 90529984709. The reversal of 90529984692 is 29648992509.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 28368817 + ... + 28372007.

Almost surely, 2^90529984692 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90529984692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137771271792).

90529984692 is an abundant number, since it is smaller than the sum of its proper divisors (185012558892).

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

90529984692 is a wasteful number, since it uses less digits than its factorization.

90529984692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5008 (or 4990 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 63.

The spelling of 90529984692 in words is "ninety billion, five hundred twenty-nine million, nine hundred eighty-four thousand, six hundred ninety-two".