87436544 has 108 divisors (see below), whose sum is σ = 197499456. Its totient is φ = 38578176.

The previous prime is 87436519. The next prime is 87436561. The reversal of 87436544 is 44563478.

Its product of digits (322560) is a multiple of the sum of its prime divisors (105).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1860329 + ... + 1860375.

Almost surely, 2^87436544 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 87436544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98749728).

87436544 is an abundant number, since it is smaller than the sum of its proper divisors (110062912).

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

87436544 is a wasteful number, since it uses less digits than its factorization.

87436544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 105 counting only the distinct ones).

The product of its digits is 322560, while the sum is 41.

The square root of 87436544 is about 9350.7509858834. The cubic root of 87436544 is about 443.8446552294.

The spelling of 87436544 in words is "eighty-seven million, four hundred thirty-six thousand, five hundred forty-four".