87830265 has 16 divisors (see below), whose sum is σ = 140646528. Its totient is φ = 46803456.

The previous prime is 87830257. The next prime is 87830297. The reversal of 87830265 is 56203878.

It is not a de Polignac number, because 87830265 - 2³ = 87830257 is a prime.

It is a Curzon 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, 28804 + ... + 31706.

It is an arithmetic number, because the mean of its divisors is an integer number (8790408).

Almost surely, 2^87830265 is an apocalyptic number.

It is an amenable number.

87830265 is a deficient number, since it is larger than the sum of its proper divisors (52816263).

87830265 is a wasteful number, since it uses less digits than its factorization.

87830265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4928.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 87830265 is about 9371.7802471035. The cubic root of 87830265 is about 444.5098588555.

The spelling of 87830265 in words is "eighty-seven million, eight hundred thirty thousand, two hundred sixty-five".