91479252027328 has 112 divisors (see below), whose sum is σ = 200275936231680. Its totient is φ = 41110355404800.

The previous prime is 91479252027263. The next prime is 91479252027353. The reversal of 91479252027328 is 82372025297419.

It is a happy number.

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, 716908813 + ... + 717036403.

Almost surely, 2^{91479252027328} 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 91479252027328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100137968115840).

91479252027328 is an abundant number, since it is smaller than the sum of its proper divisors (108796684204352).

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

91479252027328 is a wasteful number, since it uses less digits than its factorization.

91479252027328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139146 (or 139136 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 61.

The spelling of 91479252027328 in words is "ninety-one trillion, four hundred seventy-nine billion, two hundred fifty-two million, twenty-seven thousand, three hundred twenty-eight".