91976789411 has 16 divisors (see below), whose sum is σ = 99712536000. Its totient is φ = 84335741568.

The previous prime is 91976789363. The next prime is 91976789431. The reversal of 91976789411 is 11498767919.

It is not a de Polignac number, because 91976789411 - 2¹⁸ = 91976527267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91976789431) 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, 13465145 + ... + 13471973.

It is an arithmetic number, because the mean of its divisors is an integer number (6232033500).

Almost surely, 2^91976789411 is an apocalyptic number.

91976789411 is a deficient number, since it is larger than the sum of its proper divisors (7735746589).

91976789411 is a wasteful number, since it uses less digits than its factorization.

91976789411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13598.

The product of its digits is 6858432, while the sum is 62.

The spelling of 91976789411 in words is "ninety-one billion, nine hundred seventy-six million, seven hundred eighty-nine thousand, four hundred eleven".