79944997 has 8 divisors (see below), whose sum is σ = 87350400. Its totient is φ = 72562560.

The previous prime is 79944971. The next prime is 79945009.

79944997 is nontrivially palindromic in base 10.

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 79944997 - 2¹¹ = 79942949 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 (79944937) 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, 2004 + ... + 12802.

It is an arithmetic number, because the mean of its divisors is an integer number (10918800).

Almost surely, 2^79944997 is an apocalyptic number.

It is an amenable number.

79944997 is a deficient number, since it is larger than the sum of its proper divisors (7405403).

79944997 is a wasteful number, since it uses less digits than its factorization.

79944997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11483.

The product of its digits is 5143824, while the sum is 58.

The square root of 79944997 is about 8941.1966201398. The cubic root of 79944997 is about 430.7881650568.

It can be divided in two parts, 799 and 44997, that added together give a square (45796 = 214²).

The spelling of 79944997 in words is "seventy-nine million, nine hundred forty-four thousand, nine hundred ninety-seven".