864577151 has 2 divisors, whose sum is σ = 864577152. Its totient is φ = 864577150.

The previous prime is 864577117. The next prime is 864577163. The reversal of 864577151 is 151775468.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-864577151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (864577111) 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 as a sum of consecutive naturals, namely, 432288575 + 432288576.

It is an arithmetic number, because the mean of its divisors is an integer number (432288576).

Almost surely, 2^864577151 is an apocalyptic number.

864577151 is a deficient number, since it is larger than the sum of its proper divisors (1).

864577151 is an equidigital number, since it uses as much as digits as its factorization.

864577151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 235200, while the sum is 44.

The square root of 864577151 is about 29403.6928122983. The cubic root of 864577151 is about 952.6526603893.

The spelling of 864577151 in words is "eight hundred sixty-four million, five hundred seventy-seven thousand, one hundred fifty-one".