79748591 has 8 divisors (see below), whose sum is σ = 86271360. Its totient is φ = 73281312.

The previous prime is 79748561. The next prime is 79748597. The reversal of 79748591 is 19584797.

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

It is not a de Polignac number, because 79748591 - 2⁶ = 79748527 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 (79748597) 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, 10856 + ... + 16653.

It is an arithmetic number, because the mean of its divisors is an integer number (10783920).

Almost surely, 2^79748591 is an apocalyptic number.

79748591 is a deficient number, since it is larger than the sum of its proper divisors (6522769).

79748591 is a wasteful number, since it uses less digits than its factorization.

79748591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27745.

The product of its digits is 635040, while the sum is 50.

The square root of 79748591 is about 8930.2066605426. The cubic root of 79748591 is about 430.4350941261.

The spelling of 79748591 in words is "seventy-nine million, seven hundred forty-eight thousand, five hundred ninety-one".