864386151 has 16 divisors (see below), whose sum is σ = 1198272000. Its totient is φ = 553579488.

The previous prime is 864386147. The next prime is 864386183. The reversal of 864386151 is 151683468.

It is not a de Polignac number, because 864386151 - 2² = 864386147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864316151) 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 15 ways as a sum of consecutive naturals, for example, 7651 + ... + 42276.

It is an arithmetic number, because the mean of its divisors is an integer number (74892000).

Almost surely, 2^864386151 is an apocalyptic number.

864386151 is a deficient number, since it is larger than the sum of its proper divisors (333885849).

864386151 is a wasteful number, since it uses less digits than its factorization.

864386151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50158.

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

The square root of 864386151 is about 29400.4447415341. Note that the first 3 decimals coincide. The cubic root of 864386151 is about 952.5825027564.

The spelling of 864386151 in words is "eight hundred sixty-four million, three hundred eighty-six thousand, one hundred fifty-one".