87580485 has 24 divisors (see below), whose sum is σ = 154383840. Its totient is φ = 45916512.

The previous prime is 87580483. The next prime is 87580489. The reversal of 87580485 is 58408578.

It is not a de Polignac number, because 87580485 - 2¹ = 87580483 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 87580485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87580483) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13839 + ... + 19148.

It is an arithmetic number, because the mean of its divisors is an integer number (6432660).

Almost surely, 2^87580485 is an apocalyptic number.

It is an amenable number.

87580485 is a deficient number, since it is larger than the sum of its proper divisors (66803355).

87580485 is a wasteful number, since it uses less digits than its factorization.

87580485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33057 (or 33054 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 45.

The square root of 87580485 is about 9358.4445823011. Note that the first 3 decimals coincide. The cubic root of 87580485 is about 444.0880790685.

The spelling of 87580485 in words is "eighty-seven million, five hundred eighty thousand, four hundred eighty-five".