79274930957 has 8 divisors (see below), whose sum is σ = 79544154360. Its totient is φ = 79006164480.

The previous prime is 79274930939. The next prime is 79274930963. The reversal of 79274930957 is 75903947297.

It can be written as a sum of positive squares in 4 ways, for example, as 4213178281 + 75061752676 = 64909^2 + 273974^2 .

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 79274930957 - 2¹⁰ = 79274929933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79274930957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79274930257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235157 + ... + 462437.

It is an arithmetic number, because the mean of its divisors is an integer number (9943019295).

Almost surely, 2^79274930957 is an apocalyptic number.

It is an amenable number.

79274930957 is a deficient number, since it is larger than the sum of its proper divisors (269223403).

79274930957 is a wasteful number, since it uses less digits than its factorization.

79274930957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228463.

The product of its (nonzero) digits is 30005640, while the sum is 62.

The spelling of 79274930957 in words is "seventy-nine billion, two hundred seventy-four million, nine hundred thirty thousand, nine hundred fifty-seven".