91422087564736 has 28 divisors (see below), whose sum is σ = 181416081947400. Its totient is φ = 45710948806400.

The previous prime is 91422087564727. The next prime is 91422087564749. The reversal of 91422087564736 is 63746578022419.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37496511 + ... + 39860161.

It is a 1-persistent number, because it is pandigital, but 2⋅91422087564736 = 182844175129472 is not.

Almost surely, 2^{91422087564736} is an apocalyptic number.

It is an amenable number.

91422087564736 is a deficient number, since it is larger than the sum of its proper divisors (89993994382664).

91422087564736 is a wasteful number, since it uses less digits than its factorization.

91422087564736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2968012 (or 2968002 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 64.

The spelling of 91422087564736 in words is "ninety-one trillion, four hundred twenty-two billion, eighty-seven million, five hundred sixty-four thousand, seven hundred thirty-six".