91956703407 has 8 divisors (see below), whose sum is σ = 122610425520. Its totient is φ = 61303725120.

The previous prime is 91956703393. The next prime is 91956703409. The reversal of 91956703407 is 70430765919.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 91956703407 - 2¹² = 91956699311 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 91956703407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91956703409) 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, 245557 + ... + 494177.

It is an arithmetic number, because the mean of its divisors is an integer number (15326303190).

Almost surely, 2^91956703407 is an apocalyptic number.

91956703407 is a deficient number, since it is larger than the sum of its proper divisors (30653722113).

91956703407 is a wasteful number, since it uses less digits than its factorization.

91956703407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371913.

The product of its (nonzero) digits is 1428840, while the sum is 51.

The spelling of 91956703407 in words is "ninety-one billion, nine hundred fifty-six million, seven hundred three thousand, four hundred seven".