87235164 has 24 divisors (see below), whose sum is σ = 226165520. Its totient is φ = 29078352.

The previous prime is 87235163. The next prime is 87235193. The reversal of 87235164 is 46153278.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87235163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403759 + ... + 403974.

Almost surely, 2^87235164 is an apocalyptic number.

It is an amenable number.

87235164 is an abundant number, since it is smaller than the sum of its proper divisors (138930356).

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

87235164 is a wasteful number, since it uses less digits than its factorization.

87235164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807746 (or 807738 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 87235164 is about 9339.9766594997. The cubic root of 87235164 is about 443.5036454704.

The spelling of 87235164 in words is "eighty-seven million, two hundred thirty-five thousand, one hundred sixty-four".