91938911762 has 32 divisors (see below), whose sum is σ = 142700673024. Its totient is φ = 44395344000.

The previous prime is 91938911759. The next prime is 91938911783. The reversal of 91938911762 is 26711983919.

It is a junction number, because it is equal to n+sod(n) for n = 91938911698 and 91938911707.

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, 14588012 + ... + 14594312.

It is an arithmetic number, because the mean of its divisors is an integer number (4459396032).

Almost surely, 2^91938911762 is an apocalyptic number.

91938911762 is a deficient number, since it is larger than the sum of its proper divisors (50761761262).

91938911762 is a wasteful number, since it uses less digits than its factorization.

91938911762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8114.

The product of its digits is 1469664, while the sum is 56.

The spelling of 91938911762 in words is "ninety-one billion, nine hundred thirty-eight million, nine hundred eleven thousand, seven hundred sixty-two".