87633252 has 60 divisors (see below), whose sum is σ = 261824640. Its totient is φ = 25037424.

The previous prime is 87633251. The next prime is 87633313. The reversal of 87633252 is 25233678.

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

It is not an unprimeable number, because it can be changed into a prime (87633251) 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 19 ways as a sum of consecutive naturals, for example, 17052 + ... + 21587.

It is an arithmetic number, because the mean of its divisors is an integer number (4363744).

Almost surely, 2^87633252 is an apocalyptic number.

It is an amenable number.

87633252 is an abundant number, since it is smaller than the sum of its proper divisors (174191388).

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

87633252 is a wasteful number, since it uses less digits than its factorization.

87633252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38662 (or 38651 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 87633252 is about 9361.2633762757. The cubic root of 87633252 is about 444.1772484427.

It can be divided in two parts, 8 and 7633252, that multiplied together give a palindrome (61066016).

The spelling of 87633252 in words is "eighty-seven million, six hundred thirty-three thousand, two hundred fifty-two".