87580031 has 8 divisors (see below), whose sum is σ = 109190784. Its totient is φ = 68244120.

The previous prime is 87580019. The next prime is 87580033. The reversal of 87580031 is 13008578.

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

It is not a de Polignac number, because 87580031 - 2¹⁰ = 87579007 is a prime.

It is a super-2 number, since 2×87580031² = 15340523659921922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87580031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87580033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568625 + ... + 568778.

It is an arithmetic number, because the mean of its divisors is an integer number (13648848).

Almost surely, 2^87580031 is an apocalyptic number.

87580031 is a deficient number, since it is larger than the sum of its proper divisors (21610753).

87580031 is a wasteful number, since it uses less digits than its factorization.

87580031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137421.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 87580031 is about 9358.4203261021. The cubic root of 87580031 is about 444.0873117121.

The spelling of 87580031 in words is "eighty-seven million, five hundred eighty thousand, thirty-one".