91280226076 has 24 divisors (see below), whose sum is σ = 172477315584. Its totient is φ = 42019327680.

The previous prime is 91280226073. The next prime is 91280226157. The reversal of 91280226076 is 67062208219.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91280226073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2271715 + ... + 2311546.

It is an arithmetic number, because the mean of its divisors is an integer number (7186554816).

Almost surely, 2^91280226076 is an apocalyptic number.

It is an amenable number.

91280226076 is a deficient number, since it is larger than the sum of its proper divisors (81197089508).

91280226076 is a wasteful number, since it uses less digits than its factorization.

91280226076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4583661 (or 4583659 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 91280226076 in words is "ninety-one billion, two hundred eighty million, two hundred twenty-six thousand, seventy-six".