91024762379 has 4 divisors (see below), whose sum is σ = 96379160184. Its totient is φ = 85670364576.

The previous prime is 91024762363. The next prime is 91024762399. The reversal of 91024762379 is 97326742019.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 91024762379 - 2⁴ = 91024762363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91024762399) 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, 2677198877 + ... + 2677198910.

It is an arithmetic number, because the mean of its divisors is an integer number (24094790046).

Almost surely, 2^91024762379 is an apocalyptic number.

91024762379 is a deficient number, since it is larger than the sum of its proper divisors (5354397805).

91024762379 is a wasteful number, since it uses less digits than its factorization.

91024762379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5354397804.

The product of its (nonzero) digits is 1143072, while the sum is 50.

The spelling of 91024762379 in words is "ninety-one billion, twenty-four million, seven hundred sixty-two thousand, three hundred seventy-nine".