865795151 has 8 divisors (see below), whose sum is σ = 936267024. Its totient is φ = 795876480.

The previous prime is 865795123. The next prime is 865795157. The reversal of 865795151 is 151597568.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 865795151 - 2¹⁸ = 865533007 is a prime.

It is a super-2 number, since 2×865795151² = 1499202486990225602, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 865795096 and 865795105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (865795157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135041 + ... + 141306.

It is an arithmetic number, because the mean of its divisors is an integer number (117033378).

Almost surely, 2^865795151 is an apocalyptic number.

865795151 is a deficient number, since it is larger than the sum of its proper divisors (70471873).

865795151 is a wasteful number, since it uses less digits than its factorization.

865795151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276601.

The product of its digits is 378000, while the sum is 47.

The square root of 865795151 is about 29424.3972070797. The cubic root of 865795151 is about 953.0998101823.

The spelling of 865795151 in words is "eight hundred sixty-five million, seven hundred ninety-five thousand, one hundred fifty-one".