79792287842 has 16 divisors (see below), whose sum is σ = 123732516600. Its totient is φ = 38565970560.

The previous prime is 79792287793. The next prime is 79792287851. The reversal of 79792287842 is 24878229797.

It can be written as a sum of positive squares in 4 ways, for example, as 51315387841 + 28476900001 = 226529^2 + 168751^2 .

It is an unprimeable number.

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, 4454717 + ... + 4472592.

Almost surely, 2^79792287842 is an apocalyptic number.

79792287842 is a deficient number, since it is larger than the sum of its proper divisors (43940228758).

79792287842 is a wasteful number, since it uses less digits than its factorization.

79792287842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8927461.

The product of its digits is 56899584, while the sum is 65.

The spelling of 79792287842 in words is "seventy-nine billion, seven hundred ninety-two million, two hundred eighty-seven thousand, eight hundred forty-two".