91313477 has 8 divisors (see below), whose sum is σ = 96769152. Its totient is φ = 85867200.

The previous prime is 91313441. The next prime is 91313483. The reversal of 91313477 is 77431319.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 91313477 - 2¹⁸ = 91051333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91313977) 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, 32852 + ... + 35522.

It is an arithmetic number, because the mean of its divisors is an integer number (12096144).

Almost surely, 2^91313477 is an apocalyptic number.

It is an amenable number.

91313477 is a deficient number, since it is larger than the sum of its proper divisors (5455675).

91313477 is a wasteful number, since it uses less digits than its factorization.

91313477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4699.

The product of its digits is 15876, while the sum is 35.

The square root of 91313477 is about 9555.8085476845. The cubic root of 91313477 is about 450.3100365508.

The spelling of 91313477 in words is "ninety-one million, three hundred thirteen thousand, four hundred seventy-seven".