91796797 has 4 divisors (see below), whose sum is σ = 94758016. Its totient is φ = 88835580.

The previous prime is 91796777. The next prime is 91796813. The reversal of 91796797 is 79769719.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 91796797 - 2¹⁹ = 91272509 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 (91796707) 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, 1480563 + ... + 1480624.

It is an arithmetic number, because the mean of its divisors is an integer number (23689504).

Almost surely, 2^91796797 is an apocalyptic number.

It is an amenable number.

91796797 is a deficient number, since it is larger than the sum of its proper divisors (2961219).

91796797 is a wasteful number, since it uses less digits than its factorization.

91796797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2961218.

The product of its digits is 1500282, while the sum is 55.

The square root of 91796797 is about 9581.0645024444. The cubic root of 91796797 is about 451.1031322495.

The spelling of 91796797 in words is "ninety-one million, seven hundred ninety-six thousand, seven hundred ninety-seven".