860251867 has 4 divisors (see below), whose sum is σ = 910854936. Its totient is φ = 809648800.

The previous prime is 860251841. The next prime is 860251877. The reversal of 860251867 is 768152068.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 860251867 - 2¹⁵ = 860219099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (860251837) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 25301509 + ... + 25301542.

It is an arithmetic number, because the mean of its divisors is an integer number (227713734).

Almost surely, 2^860251867 is an apocalyptic number.

860251867 is a deficient number, since it is larger than the sum of its proper divisors (50603069).

860251867 is a wasteful number, since it uses less digits than its factorization.

860251867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50603068.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 860251867 is about 29330.0505795677. The cubic root of 860251867 is about 951.0613685209.

The spelling of 860251867 in words is "eight hundred sixty million, two hundred fifty-one thousand, eight hundred sixty-seven".