79243022842 has 8 divisors (see below), whose sum is σ = 119020731732. Its totient is φ = 39569445600.

The previous prime is 79243022839. The next prime is 79243022921. The reversal of 79243022842 is 24822034297.

It can be written as a sum of positive squares in 2 ways, for example, as 79230427441 + 12595401 = 281479^2 + 3549^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26031009 + ... + 26034052.

Almost surely, 2^79243022842 is an apocalyptic number.

79243022842 is a deficient number, since it is larger than the sum of its proper divisors (39777708890).

79243022842 is a wasteful number, since it uses less digits than its factorization.

79243022842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52065824.

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 79243022842 in words is "seventy-nine billion, two hundred forty-three million, twenty-two thousand, eight hundred forty-two".