79097771 has 8 divisors (see below), whose sum is σ = 82569600. Its totient is φ = 75683520.

The previous prime is 79097731. The next prime is 79097789. The reversal of 79097771 is 17779097.

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 79097771 - 2²² = 74903467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79097731) 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, 11576 + ... + 17093.

It is an arithmetic number, because the mean of its divisors is an integer number (10321200).

Almost surely, 2^79097771 is an apocalyptic number.

79097771 is a deficient number, since it is larger than the sum of its proper divisors (3471829).

79097771 is a wasteful number, since it uses less digits than its factorization.

79097771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28789.

The product of its (nonzero) digits is 194481, while the sum is 47.

The square root of 79097771 is about 8893.6927651004. The cubic root of 79097771 is about 429.2609822855.

The spelling of 79097771 in words is "seventy-nine million, ninety-seven thousand, seven hundred seventy-one".