87539164 has 24 divisors (see below), whose sum is σ = 159320448. Its totient is φ = 42040320.

The previous prime is 87539131. The next prime is 87539167. The reversal of 87539164 is 46193578.

It is a self number, because there is not a number n which added to its sum of digits gives 87539164.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87539167) 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, 14412 + ... + 19564.

It is an arithmetic number, because the mean of its divisors is an integer number (6638352).

Almost surely, 2^87539164 is an apocalyptic number.

It is an amenable number.

87539164 is a deficient number, since it is larger than the sum of its proper divisors (71781284).

87539164 is a wasteful number, since it uses less digits than its factorization.

87539164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5325 (or 5323 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 87539164 is about 9356.2366365970. The cubic root of 87539164 is about 444.0182269389.

The spelling of 87539164 in words is "eighty-seven million, five hundred thirty-nine thousand, one hundred sixty-four".