864375478 has 8 divisors (see below), whose sum is σ = 1302128568. Its totient is φ = 430332624.

The previous prime is 864375469. The next prime is 864375481. The reversal of 864375478 is 874573468.

864375478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 926976 + ... + 927907.

It is an arithmetic number, because the mean of its divisors is an integer number (162766071).

Almost surely, 2^864375478 is an apocalyptic number.

864375478 is a deficient number, since it is larger than the sum of its proper divisors (437753090).

864375478 is a wasteful number, since it uses less digits than its factorization.

864375478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855118.

The product of its digits is 4515840, while the sum is 52.

The square root of 864375478 is about 29400.2632301141. The cubic root of 864375478 is about 952.5785820724.

The spelling of 864375478 in words is "eight hundred sixty-four million, three hundred seventy-five thousand, four hundred seventy-eight".