79042877251 has 8 divisors (see below), whose sum is σ = 88824103200. Its totient is φ = 69790366272.

The previous prime is 79042877239. The next prime is 79042877267. The reversal of 79042877251 is 15277824097.

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 79042877251 - 2²¹ = 79040780099 is a prime.

It is a super-3 number, since 3×79042877251³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79042877351) 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, 132178426 + ... + 132179023.

It is an arithmetic number, because the mean of its divisors is an integer number (11103012900).

Almost surely, 2^79042877251 is an apocalyptic number.

79042877251 is a deficient number, since it is larger than the sum of its proper divisors (9781225949).

79042877251 is a wasteful number, since it uses less digits than its factorization.

79042877251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264357485.

The product of its (nonzero) digits is 1975680, while the sum is 52.

The spelling of 79042877251 in words is "seventy-nine billion, forty-two million, eight hundred seventy-seven thousand, two hundred fifty-one".