864524387 has 2 divisors, whose sum is σ = 864524388. Its totient is φ = 864524386.

The previous prime is 864524371. The next prime is 864524407. The reversal of 864524387 is 783425468.

864524387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 864524387 - 2⁴ = 864524371 is a prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (864521387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432262193 + 432262194.

It is an arithmetic number, because the mean of its divisors is an integer number (432262194).

Almost surely, 2^864524387 is an apocalyptic number.

864524387 is a deficient number, since it is larger than the sum of its proper divisors (1).

864524387 is an equidigital number, since it uses as much as digits as its factorization.

864524387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1290240, while the sum is 47.

The square root of 864524387 is about 29402.7955643677. The cubic root of 864524387 is about 952.6332802844.

The spelling of 864524387 in words is "eight hundred sixty-four million, five hundred twenty-four thousand, three hundred eighty-seven".