91120679 has 8 divisors (see below), whose sum is σ = 98391552. Its totient is φ = 83887200.

The previous prime is 91120661. The next prime is 91120681. The reversal of 91120679 is 97602119.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91120679 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 (91122679) 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, 4172 + ... + 14129.

It is an arithmetic number, because the mean of its divisors is an integer number (12298944).

Almost surely, 2^91120679 is an apocalyptic number.

91120679 is a deficient number, since it is larger than the sum of its proper divisors (7270873).

91120679 is a wasteful number, since it uses less digits than its factorization.

91120679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18697.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 91120679 is about 9545.7152167871. The cubic root of 91120679 is about 449.9928871304.

The spelling of 91120679 in words is "ninety-one million, one hundred twenty thousand, six hundred seventy-nine".