842312008 has 8 divisors (see below), whose sum is σ = 1579335030. Its totient is φ = 421156000.

The previous prime is 842311999. The next prime is 842312011. The reversal of 842312008 is 800213248.

It can be written as a sum of positive squares in only one way, i.e., 823804804 + 18507204 = 28702^2 + 4302^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52644493 + ... + 52644508.

Almost surely, 2^842312008 is an apocalyptic number.

It is an amenable number.

842312008 is a deficient number, since it is larger than the sum of its proper divisors (737023022).

842312008 is a wasteful number, since it uses less digits than its factorization.

842312008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105289007 (or 105289003 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 842312008 is about 29022.6120120157. The cubic root of 842312008 is about 944.4036654606.

The spelling of 842312008 in words is "eight hundred forty-two million, three hundred twelve thousand, eight".