89902835412 has 96 divisors (see below), whose sum is σ = 227817297792. Its totient is φ = 27429298176.

The previous prime is 89902835387. The next prime is 89902835423. The reversal of 89902835412 is 21453820998.

It is a super-2 number, since 2×89902835412² (a number of 23 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 31 ways as a sum of consecutive naturals, for example, 24853828 + ... + 24857444.

It is an arithmetic number, because the mean of its divisors is an integer number (2373096852).

Almost surely, 2^89902835412 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 89902835412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113908648896).

89902835412 is an abundant number, since it is smaller than the sum of its proper divisors (137914462380).

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

89902835412 is a wasteful number, since it uses less digits than its factorization.

89902835412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4937 (or 4935 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 89902835412 in words is "eighty-nine billion, nine hundred two million, eight hundred thirty-five thousand, four hundred twelve".