87236928 has 168 divisors, whose sum is σ = 271028160. Its totient is φ = 26726400.

The previous prime is 87236921. The next prime is 87236957. The reversal of 87236928 is 82963278.

It is a super-2 number, since 2×87236928² = 15220563213754368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87236921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 577653 + ... + 577803.

Almost surely, 2^87236928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87236928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135514080).

87236928 is an abundant number, since it is smaller than the sum of its proper divisors (183791232).

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

87236928 is a wasteful number, since it uses less digits than its factorization.

87236928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 232 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 87236928 is about 9340.0710918065. The cubic root of 87236928 is about 443.5066348427.

It can be divided in two parts, 8723 and 6928, that added together give a palindrome (15651).

The spelling of 87236928 in words is "eighty-seven million, two hundred thirty-six thousand, nine hundred twenty-eight".