79863834442 has 8 divisors (see below), whose sum is σ = 136909430496. Its totient is φ = 34227357612.

The previous prime is 79863834439. The next prime is 79863834473. The reversal of 79863834442 is 24443836897.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2852279788 + ... + 2852279815.

It is an arithmetic number, because the mean of its divisors is an integer number (17113678812).

Almost surely, 2^79863834442 is an apocalyptic number.

79863834442 is a deficient number, since it is larger than the sum of its proper divisors (57045596054).

79863834442 is a wasteful number, since it uses less digits than its factorization.

79863834442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5704559612.

The product of its digits is 27869184, while the sum is 58.

The spelling of 79863834442 in words is "seventy-nine billion, eight hundred sixty-three million, eight hundred thirty-four thousand, four hundred forty-two".