860861265 has 16 divisors (see below), whose sum is σ = 1502594496. Its totient is φ = 417387200.

The previous prime is 860861237. The next prime is 860861363. The reversal of 860861265 is 562168068.

It is not a de Polignac number, because 860861265 - 2⁷ = 860861137 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2608506 + ... + 2608835.

It is an arithmetic number, because the mean of its divisors is an integer number (93912156).

Almost surely, 2^860861265 is an apocalyptic number.

It is an amenable number.

860861265 is a deficient number, since it is larger than the sum of its proper divisors (641733231).

860861265 is a wasteful number, since it uses less digits than its factorization.

860861265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5217360.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 860861265 is about 29340.4373689282. The cubic root of 860861265 is about 951.2858911737.

The spelling of 860861265 in words is "eight hundred sixty million, eight hundred sixty-one thousand, two hundred sixty-five".