864064479 has 8 divisors (see below), whose sum is σ = 1152586240. Its totient is φ = 575792856.

The previous prime is 864064417. The next prime is 864064507. The reversal of 864064479 is 974460468.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 864064479 - 2¹⁷ = 863933407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864064879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54319 + ... + 68400.

It is an arithmetic number, because the mean of its divisors is an integer number (144073280).

Almost surely, 2^864064479 is an apocalyptic number.

864064479 is a deficient number, since it is larger than the sum of its proper divisors (288521761).

864064479 is a wasteful number, since it uses less digits than its factorization.

864064479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125069.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The square root of 864064479 is about 29394.9737029990. The cubic root of 864064479 is about 952.4643236546.

The spelling of 864064479 in words is "eight hundred sixty-four million, sixty-four thousand, four hundred seventy-nine".