91422087564735 has 48 divisors (see below), whose sum is σ = 163046041206048. Its totient is φ = 47361410208000.

The previous prime is 91422087564727. The next prime is 91422087564749. The reversal of 91422087564735 is 53746578022419.

It is a happy number.

91422087564735 is a `hidden beast` number, since 9 + 1 + 42 + 20 + 8 + 7 + 564 + 7 + 3 + 5 = 666.

It is not a de Polignac number, because 91422087564735 - 2³ = 91422087564727 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 130165116 + ... + 130865585.

It is an arithmetic number, because the mean of its divisors is an integer number (3396792525126).

It is a 1-persistent number, because it is pandigital, but 2⋅91422087564735 = 182844175129470 is not.

Almost surely, 2^{91422087564735} is an apocalyptic number.

91422087564735 is a deficient number, since it is larger than the sum of its proper divisors (71623953641313).

91422087564735 is a wasteful number, since it uses less digits than its factorization.

91422087564735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261030936 (or 261030933 counting only the distinct ones).

The product of its (nonzero) digits is 101606400, while the sum is 63.

The spelling of 91422087564735 in words is "ninety-one trillion, four hundred twenty-two billion, eighty-seven million, five hundred sixty-four thousand, seven hundred thirty-five".