91276744074 has 16 divisors (see below), whose sum is σ = 182644289760. Its totient is φ = 30410447760.

The previous prime is 91276744033. The next prime is 91276744079. The reversal of 91276744074 is 47044767219.

It is not an unprimeable number, because it can be changed into a prime (91276744079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3770329 + ... + 3794460.

It is an arithmetic number, because the mean of its divisors is an integer number (11415268110).

Almost surely, 2^91276744074 is an apocalyptic number.

91276744074 is an abundant number, since it is smaller than the sum of its proper divisors (91367545686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91276744074 is a wasteful number, since it uses less digits than its factorization.

91276744074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7566805.

The product of its (nonzero) digits is 2370816, while the sum is 51.

The spelling of 91276744074 in words is "ninety-one billion, two hundred seventy-six million, seven hundred forty-four thousand, seventy-four".