87519828 has 48 divisors (see below), whose sum is σ = 227533824. Its totient is φ = 25955040.

The previous prime is 87519823. The next prime is 87519877. The reversal of 87519828 is 82891578.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87519823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 850 + ... + 13257.

It is an arithmetic number, because the mean of its divisors is an integer number (4740288).

Almost surely, 2^87519828 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 87519828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113766912).

87519828 is an abundant number, since it is smaller than the sum of its proper divisors (140013996).

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

87519828 is a wasteful number, since it uses less digits than its factorization.

87519828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14172 (or 14170 counting only the distinct ones).

The product of its digits is 322560, while the sum is 48.

The square root of 87519828 is about 9355.2032580805. The cubic root of 87519828 is about 443.9855323587.

It can be divided in two parts, 87 and 519828, that added together give a palindrome (519915).

The spelling of 87519828 in words is "eighty-seven million, five hundred nineteen thousand, eight hundred twenty-eight".