90698447652 has 96 divisors (see below), whose sum is σ = 228928452480. Its totient is φ = 27850521600.

The previous prime is 90698447629. The next prime is 90698447669. The reversal of 90698447652 is 25674489609.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27474402 + ... + 27477702.

It is an arithmetic number, because the mean of its divisors is an integer number (2384671380).

Almost surely, 2^90698447652 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 90698447652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114464226240).

90698447652 is an abundant number, since it is smaller than the sum of its proper divisors (138230004828).

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

90698447652 is a wasteful number, since it uses less digits than its factorization.

90698447652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6621 (or 6619 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 90698447652 in words is "ninety billion, six hundred ninety-eight million, four hundred forty-seven thousand, six hundred fifty-two".