842086884 has 24 divisors (see below), whose sum is σ = 1975851360. Its totient is φ = 279126784.

The previous prime is 842086853. The next prime is 842086907. The reversal of 842086884 is 488680248.

It is a super-2 number, since 2×842086884² = 1418220640409658912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193869 + ... + 198164.

It is an arithmetic number, because the mean of its divisors is an integer number (82327140).

Almost surely, 2^842086884 is an apocalyptic number.

It is an amenable number.

842086884 is an abundant number, since it is smaller than the sum of its proper divisors (1133764476).

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

842086884 is a wasteful number, since it uses less digits than its factorization.

842086884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392219 (or 392217 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 48.

The square root of 842086884 is about 29018.7333286620. The cubic root of 842086884 is about 944.3195213142.

The spelling of 842086884 in words is "eight hundred forty-two million, eighty-six thousand, eight hundred eighty-four".