87710436 has 72 divisors (see below), whose sum is σ = 245900928. Its totient is φ = 26136000.

The previous prime is 87710423. The next prime is 87710503. The reversal of 87710436 is 63401778.

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

It is a self number, because there is not a number n which added to its sum of digits gives 87710436.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22341 + ... + 25971.

Almost surely, 2^87710436 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 87710436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122950464).

87710436 is an abundant number, since it is smaller than the sum of its proper divisors (158190492).

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

87710436 is a wasteful number, since it uses less digits than its factorization.

87710436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3713 (or 3708 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 87710436 is about 9365.3849894171. The cubic root of 87710436 is about 444.3076149254.

The spelling of 87710436 in words is "eighty-seven million, seven hundred ten thousand, four hundred thirty-six".