79088479357 has 4 divisors (see below), whose sum is σ = 79121698236. Its totient is φ = 79055260480.

The previous prime is 79088479319. The next prime is 79088479367. The reversal of 79088479357 is 75397488097.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9321709401 + 69766769956 = 96549^2 + 264134^2 .

It is a cyclic number.

It is not a de Polignac number, because 79088479357 - 2⁷ = 79088479229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79088479292 and 79088479301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79088479367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16605868 + ... + 16610629.

It is an arithmetic number, because the mean of its divisors is an integer number (19780424559).

Almost surely, 2^79088479357 is an apocalyptic number.

It is an amenable number.

79088479357 is a deficient number, since it is larger than the sum of its proper divisors (33218879).

79088479357 is a wasteful number, since it uses less digits than its factorization.

79088479357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33218878.

The product of its (nonzero) digits is 106686720, while the sum is 67.

The spelling of 79088479357 in words is "seventy-nine billion, eighty-eight million, four hundred seventy-nine thousand, three hundred fifty-seven".