89615448790 has 32 divisors (see below), whose sum is σ = 188114068800. Its totient is φ = 30725295552.

The previous prime is 89615448787. The next prime is 89615448833. The reversal of 89615448790 is 9784451698.

It is a super-2 number, since 2×89615448790² (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 15 ways as a sum of consecutive naturals, for example, 13060047 + ... + 13066906.

It is an arithmetic number, because the mean of its divisors is an integer number (5878564650).

Almost surely, 2^89615448790 is an apocalyptic number.

89615448790 is an abundant number, since it is smaller than the sum of its proper divisors (98498620010).

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

89615448790 is a wasteful number, since it uses less digits than its factorization.

89615448790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26126981 (or 26126967 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 61.

The spelling of 89615448790 in words is "eighty-nine billion, six hundred fifteen million, four hundred forty-eight thousand, seven hundred ninety".