478446699 has 8 divisors (see below), whose sum is σ = 651502080. Its totient is φ = 312177896.

The previous prime is 478446659. The next prime is 478446701. The reversal of 478446699 is 996644874.

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

It is a cyclic number.

It is not a de Polignac number, because 478446699 - 2⁷ = 478446571 is a prime.

It is a super-2 number, since 2×478446699² = 457822487567993202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (478446649) 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, 1696479 + ... + 1696760.

It is an arithmetic number, because the mean of its divisors is an integer number (81437760).

Almost surely, 2^478446699 is an apocalyptic number.

478446699 is a deficient number, since it is larger than the sum of its proper divisors (173055381).

478446699 is a wasteful number, since it uses less digits than its factorization.

478446699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3393289.

The product of its digits is 10450944, while the sum is 57.

The square root of 478446699 is about 21873.4244918348. The cubic root of 478446699 is about 782.1280366968.

The spelling of 478446699 in words is "four hundred seventy-eight million, four hundred forty-six thousand, six hundred ninety-nine".