91407107 has 16 divisors (see below), whose sum is σ = 102297600. Its totient is φ = 80972640.

The previous prime is 91407059. The next prime is 91407109. The reversal of 91407107 is 70170419.

It is a cyclic number.

It is not a de Polignac number, because 91407107 - 2²⁶ = 24298243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 91407107.

It is not an unprimeable number, because it can be changed into a prime (91407109) 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, 81869 + ... + 82977.

It is an arithmetic number, because the mean of its divisors is an integer number (6393600).

Almost surely, 2^91407107 is an apocalyptic number.

91407107 is a deficient number, since it is larger than the sum of its proper divisors (10890493).

91407107 is a wasteful number, since it uses less digits than its factorization.

91407107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 91407107 is about 9560.7064069555. The cubic root of 91407107 is about 450.4638952786.

The spelling of 91407107 in words is "ninety-one million, four hundred seven thousand, one hundred seven".