87839116 has 24 divisors (see below), whose sum is σ = 161489664. Its totient is φ = 41725200.

The previous prime is 87839113. The next prime is 87839117. The reversal of 87839116 is 61193878.

It is a super-2 number, since 2×87839116² = 15431420599322912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87839113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10731 + ... + 17053.

It is an arithmetic number, because the mean of its divisors is an integer number (6728736).

Almost surely, 2^87839116 is an apocalyptic number.

It is an amenable number.

87839116 is a deficient number, since it is larger than the sum of its proper divisors (73650548).

87839116 is a wasteful number, since it uses less digits than its factorization.

87839116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6501 (or 6499 counting only the distinct ones).

The product of its digits is 72576, while the sum is 43.

The square root of 87839116 is about 9372.2524507186. The cubic root of 87839116 is about 444.5247900207.

The spelling of 87839116 in words is "eighty-seven million, eight hundred thirty-nine thousand, one hundred sixteen".