87502065 has 16 divisors (see below), whose sum is σ = 160003968. Its totient is φ = 40000896.

The previous prime is 87502031. The next prime is 87502073. The reversal of 87502065 is 56020578.

It is a happy number.

It is not a de Polignac number, because 87502065 - 2⁷ = 87501937 is a prime.

It is a super-2 number, since 2×87502065² = 15313222758528450, which contains 22 as substring.

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, 416572 + ... + 416781.

It is an arithmetic number, because the mean of its divisors is an integer number (10000248).

Almost surely, 2^87502065 is an apocalyptic number.

It is an amenable number.

87502065 is a deficient number, since it is larger than the sum of its proper divisors (72501903).

87502065 is a wasteful number, since it uses less digits than its factorization.

87502065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833368.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 87502065 is about 9354.2538451765. The cubic root of 87502065 is about 443.9554932662.

The spelling of 87502065 in words is "eighty-seven million, five hundred two thousand, sixty-five".