864335314879 has 2 divisors, whose sum is σ = 864335314880. Its totient is φ = 864335314878.

The previous prime is 864335314861. The next prime is 864335314891. The reversal of 864335314879 is 978413533468.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 864335314879 - 2⁷ = 864335314751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (864335314849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432167657439 + 432167657440.

It is an arithmetic number, because the mean of its divisors is an integer number (432167657440).

Almost surely, 2^864335314879 is an apocalyptic number.

864335314879 is a deficient number, since it is larger than the sum of its proper divisors (1).

864335314879 is an equidigital number, since it uses as much as digits as its factorization.

864335314879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52254720, while the sum is 61.

The spelling of 864335314879 in words is "eight hundred sixty-four billion, three hundred thirty-five million, three hundred fourteen thousand, eight hundred seventy-nine".