91427918476 has 12 divisors (see below), whose sum is σ = 165516059520. Its totient is φ = 44137615760.

The previous prime is 91427918441. The next prime is 91427918479. The reversal of 91427918476 is 67481972419.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a self number, because there is not a number n which added to its sum of digits gives 91427918476.

It is not an unprimeable number, because it can be changed into a prime (91427918479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394085740 + ... + 394085971.

It is an arithmetic number, because the mean of its divisors is an integer number (13793004960).

Almost surely, 2^91427918476 is an apocalyptic number.

It is an amenable number.

91427918476 is a deficient number, since it is larger than the sum of its proper divisors (74088141044).

91427918476 is a wasteful number, since it uses less digits than its factorization.

91427918476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788171744 (or 788171742 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 58.

The spelling of 91427918476 in words is "ninety-one billion, four hundred twenty-seven million, nine hundred eighteen thousand, four hundred seventy-six".