87326580 has 48 divisors (see below), whose sum is σ = 266745024. Its totient is φ = 21169920.

The previous prime is 87326579. The next prime is 87326587. The reversal of 87326580 is 8562378.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87326587) 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, 65497 + ... + 66816.

It is an arithmetic number, because the mean of its divisors is an integer number (5557188).

Almost surely, 2^87326580 is an apocalyptic number.

It is an amenable number.

87326580 is an abundant number, since it is smaller than the sum of its proper divisors (179418444).

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

87326580 is a wasteful number, since it uses less digits than its factorization.

87326580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132336 (or 132334 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 87326580 is about 9344.8691804648. The cubic root of 87326580 is about 443.6585110601.

The spelling of 87326580 in words is "eighty-seven million, three hundred twenty-six thousand, five hundred eighty".