842799986863 has 6 divisors (see below), whose sum is σ = 849446634624. Its totient is φ = 836153502156.

The previous prime is 842799986849. The next prime is 842799986879. The reversal of 842799986863 is 368689997248.

It is not a de Polignac number, because 842799986863 - 2²⁹ = 842263115951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842799986813) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10305070 + ... + 10386532.

It is an arithmetic number, because the mean of its divisors is an integer number (141574439104).

Almost surely, 2^842799986863 is an apocalyptic number.

842799986863 is a deficient number, since it is larger than the sum of its proper divisors (6646647761).

842799986863 is an frugal number, since it uses more digits than its factorization.

842799986863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163053 (or 81590 counting only the distinct ones).

The product of its digits is 2257403904, while the sum is 79.

The spelling of 842799986863 in words is "eight hundred forty-two billion, seven hundred ninety-nine million, nine hundred eighty-six thousand, eight hundred sixty-three".