842088961 has 12 divisors (see below), whose sum is σ = 983901168. Its totient is φ = 718601352.

The previous prime is 842088959. The next prime is 842088967. The reversal of 842088961 is 169880248.

It is not a de Polignac number, because 842088961 - 2¹ = 842088959 is a prime.

It is a super-2 number, since 2×842088961² = 1418227636476119042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (842088967) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26731 + ... + 48976.

It is an arithmetic number, because the mean of its divisors is an integer number (81991764).

Almost surely, 2^842088961 is an apocalyptic number.

It is an amenable number.

842088961 is a deficient number, since it is larger than the sum of its proper divisors (141812207).

842088961 is a wasteful number, since it uses less digits than its factorization.

842088961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75948 (or 75941 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 46.

The square root of 842088961 is about 29018.7691158671. The cubic root of 842088961 is about 944.3202976989.

The spelling of 842088961 in words is "eight hundred forty-two million, eighty-eight thousand, nine hundred sixty-one".