842492679876 has 45 divisors (see below), whose sum is σ = 2202485475421. Its totient is φ = 280825386048.

The previous prime is 842492679839. The next prime is 842492679877. The reversal of 842492679876 is 678976294248.

The square root of 842492679876 is 917874.

It is a perfect power (a square), and thus also a powerful number.

842492679876 is a `hidden beast` number, since 8 + 4 + 2 + 492 + 67 + 9 + 8 + 76 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7418376900 + 835074302976 = 86130^2 + 913824^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (842492679877) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 16496236 + ... + 16547228.

Almost surely, 2^842492679876 is an apocalyptic number.

842492679876 is the 917874-th square number.

It is an amenable number.

842492679876 is an abundant number, since it is smaller than the sum of its proper divisors (1359992795545).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

842492679876 is an frugal number, since it uses more digits than its factorization.

842492679876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102002 (or 50998 counting only the distinct ones).

The product of its digits is 585252864, while the sum is 72.

The spelling of 842492679876 in words is "eight hundred forty-two billion, four hundred ninety-two million, six hundred seventy-nine thousand, eight hundred seventy-six".