87580465 has 16 divisors (see below), whose sum is σ = 122905728. Its totient is φ = 58657536.

The previous prime is 87580429. The next prime is 87580483. The reversal of 87580465 is 56408578.

It is not a de Polignac number, because 87580465 - 2¹¹ = 87578417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27592 + ... + 30601.

It is an arithmetic number, because the mean of its divisors is an integer number (7681608).

Almost surely, 2^87580465 is an apocalyptic number.

It is an amenable number.

87580465 is a deficient number, since it is larger than the sum of its proper divisors (35325263).

87580465 is a wasteful number, since it uses less digits than its factorization.

87580465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58248.

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 87580465 is about 9358.4435137474. The cubic root of 87580465 is about 444.0880452643.

The spelling of 87580465 in words is "eighty-seven million, five hundred eighty thousand, four hundred sixty-five".