87839274 has 16 divisors (see below), whose sum is σ = 175771008. Its totient is φ = 29264352.

The previous prime is 87839273. The next prime is 87839281. The reversal of 87839274 is 47293878.

It is not an unprimeable number, because it can be changed into a prime (87839273) 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, 18294 + ... + 22590.

It is an arithmetic number, because the mean of its divisors is an integer number (10985688).

Almost surely, 2^87839274 is an apocalyptic number.

87839274 is an abundant number, since it is smaller than the sum of its proper divisors (87931734).

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

87839274 is a wasteful number, since it uses less digits than its factorization.

87839274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7709.

The product of its digits is 677376, while the sum is 48.

The square root of 87839274 is about 9372.2608798518. The cubic root of 87839274 is about 444.5250565492.

The spelling of 87839274 in words is "eighty-seven million, eight hundred thirty-nine thousand, two hundred seventy-four".