79079551 has 8 divisors (see below), whose sum is σ = 81167184. Its totient is φ = 77014080.

The previous prime is 79079531. The next prime is 79079557. The reversal of 79079551 is 15597097.

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-79079551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79079498 and 79079507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79079557) 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, 1816 + ... + 12706.

It is an arithmetic number, because the mean of its divisors is an integer number (10145898).

Almost surely, 2^79079551 is an apocalyptic number.

79079551 is the 7261-st pentagonal number.

79079551 is a deficient number, since it is larger than the sum of its proper divisors (2087633).

79079551 is a wasteful number, since it uses less digits than its factorization.

79079551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11081.

The product of its (nonzero) digits is 99225, while the sum is 43.

The square root of 79079551 is about 8892.6683846863. The cubic root of 79079551 is about 429.2280199756.

The spelling of 79079551 in words is "seventy-nine million, seventy-nine thousand, five hundred fifty-one".