87580926 has 40 divisors (see below), whose sum is σ = 199199880. Its totient is φ = 28754352.

The previous prime is 87580919. The next prime is 87580943. The reversal of 87580926 is 62908578.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6820 + ... + 14888.

It is an arithmetic number, because the mean of its divisors is an integer number (4979997).

Almost surely, 2^87580926 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87580926, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99599940).

87580926 is an abundant number, since it is smaller than the sum of its proper divisors (111618954).

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

87580926 is a wasteful number, since it uses less digits than its factorization.

87580926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8150 (or 8141 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 87580926 is about 9358.4681438791. The cubic root of 87580926 is about 444.0888244496.

The spelling of 87580926 in words is "eighty-seven million, five hundred eighty thousand, nine hundred twenty-six".