864765371 has 2 divisors, whose sum is σ = 864765372. Its totient is φ = 864765370.

The previous prime is 864765347. The next prime is 864765427. The reversal of 864765371 is 173567468.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-864765371 is a prime.

It is not a weakly prime, because it can be changed into another prime (864765311) 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, 432382685 + 432382686.

It is an arithmetic number, because the mean of its divisors is an integer number (432382686).

Almost surely, 2^864765371 is an apocalyptic number.

864765371 is a deficient number, since it is larger than the sum of its proper divisors (1).

864765371 is an equidigital number, since it uses as much as digits as its factorization.

864765371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 47.

The square root of 864765371 is about 29406.8932565139. The cubic root of 864765371 is about 952.7217867721.

The spelling of 864765371 in words is "eight hundred sixty-four million, seven hundred sixty-five thousand, three hundred seventy-one".