87580571 has 8 divisors (see below), whose sum is σ = 94602144. Its totient is φ = 80599680.

The previous prime is 87580553. The next prime is 87580579. The reversal of 87580571 is 17508578.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87580571 - 2¹⁴ = 87564187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87580579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5615 + ... + 14376.

It is an arithmetic number, because the mean of its divisors is an integer number (11825268).

Almost surely, 2^87580571 is an apocalyptic number.

87580571 is a deficient number, since it is larger than the sum of its proper divisors (7021573).

87580571 is a wasteful number, since it uses less digits than its factorization.

87580571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20341.

The product of its (nonzero) digits is 78400, while the sum is 41.

The square root of 87580571 is about 9358.4491770806. The cubic root of 87580571 is about 444.0882244265.

The spelling of 87580571 in words is "eighty-seven million, five hundred eighty thousand, five hundred seventy-one".