79093697281 has 8 divisors (see below), whose sum is σ = 80781128064. Its totient is φ = 77406457680.

The previous prime is 79093697273. The next prime is 79093697299. The reversal of 79093697281 is 18279639097.

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 79093697281 - 2³ = 79093697273 is a prime.

It is a super-2 number, since 2×79093697281² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79093697261) 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, 1058551 + ... + 1130803.

It is an arithmetic number, because the mean of its divisors is an integer number (10097641008).

Almost surely, 2^79093697281 is an apocalyptic number.

It is an amenable number.

79093697281 is a deficient number, since it is larger than the sum of its proper divisors (1687430783).

79093697281 is a wasteful number, since it uses less digits than its factorization.

79093697281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95591.

The product of its (nonzero) digits is 10287648, while the sum is 61.

The spelling of 79093697281 in words is "seventy-nine billion, ninety-three million, six hundred ninety-seven thousand, two hundred eighty-one".