842682768879 has 16 divisors (see below), whose sum is σ = 1290606248448. Its totient is φ = 479088678432.

The previous prime is 842682768871. The next prime is 842682768883. The reversal of 842682768879 is 978867286248.

It is not a de Polignac number, because 842682768879 - 2³ = 842682768871 is a prime.

It is a super-2 number, since 2×842682768879² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 842682768879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842682768871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101842947 + ... + 101851220.

It is an arithmetic number, because the mean of its divisors is an integer number (80662890528).

Almost surely, 2^842682768879 is an apocalyptic number.

842682768879 is a deficient number, since it is larger than the sum of its proper divisors (447923479569).

842682768879 is a wasteful number, since it uses less digits than its factorization.

842682768879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203694374.

The product of its digits is 1040449536, while the sum is 75.

The spelling of 842682768879 in words is "eight hundred forty-two billion, six hundred eighty-two million, seven hundred sixty-eight thousand, eight hundred seventy-nine".