87580673 has 8 divisors (see below), whose sum is σ = 90516480. Its totient is φ = 84651840.

The previous prime is 87580663. The next prime is 87580679. The reversal of 87580673 is 37608578.

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 87580673 - 2¹⁸ = 87318529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87580679) 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, 40073 + ... + 42201.

It is an arithmetic number, because the mean of its divisors is an integer number (11314560).

Almost surely, 2^87580673 is an apocalyptic number.

It is an amenable number.

87580673 is a deficient number, since it is larger than the sum of its proper divisors (2935807).

87580673 is a wasteful number, since it uses less digits than its factorization.

87580673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3487.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 87580673 is about 9358.4546266999. The cubic root of 87580673 is about 444.0883968277.

The spelling of 87580673 in words is "eighty-seven million, five hundred eighty thousand, six hundred seventy-three".