91364877846320 has 40 divisors (see below), whose sum is σ = 228763597994736. Its totient is φ = 33734724127488.

The previous prime is 91364877846313. The next prime is 91364877846323. The reversal of 91364877846320 is 2364877846319.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (91364877846323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43925421002 + ... + 43925423081.

Almost surely, 2^{91364877846320} is an apocalyptic number.

It is an amenable number.

91364877846320 is an abundant number, since it is smaller than the sum of its proper divisors (137398720148416).

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

91364877846320 is a wasteful number, since it uses less digits than its factorization.

91364877846320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87850844109 (or 87850844103 counting only the distinct ones).

The product of its (nonzero) digits is 292626432, while the sum is 68.

The spelling of 91364877846320 in words is "ninety-one trillion, three hundred sixty-four billion, eight hundred seventy-seven million, eight hundred forty-six thousand, three hundred twenty".