91500074701 has 16 divisors (see below), whose sum is σ = 104963207680. Its totient is φ = 78135211440.

The previous prime is 91500074663. The next prime is 91500074707. The reversal of 91500074701 is 10747000519.

It is a cyclic number.

It is not a de Polignac number, because 91500074701 - 2¹⁵ = 91500041933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91500074707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3366970 + ... + 3394036.

It is an arithmetic number, because the mean of its divisors is an integer number (6560200480).

Almost surely, 2^91500074701 is an apocalyptic number.

It is an amenable number.

91500074701 is a deficient number, since it is larger than the sum of its proper divisors (13463132979).

91500074701 is a wasteful number, since it uses less digits than its factorization.

91500074701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28864.

The product of its (nonzero) digits is 8820, while the sum is 34.

The spelling of 91500074701 in words is "ninety-one billion, five hundred million, seventy-four thousand, seven hundred one".