478991674 has 16 divisors (see below), whose sum is σ = 825879168. Its totient is φ = 204094512.

The previous prime is 478991657. The next prime is 478991713. The reversal of 478991674 is 476199874.

It is a super-2 number, since 2×478991674² = 458866047522644552, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96462 + ... + 101305.

It is an arithmetic number, because the mean of its divisors is an integer number (51617448).

Almost surely, 2^478991674 is an apocalyptic number.

478991674 is a deficient number, since it is larger than the sum of its proper divisors (346887494).

478991674 is a wasteful number, since it uses less digits than its factorization.

478991674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197949.

The product of its digits is 3048192, while the sum is 55.

The square root of 478991674 is about 21885.8784150877. The cubic root of 478991674 is about 782.4248851536.

The spelling of 478991674 in words is "four hundred seventy-eight million, nine hundred ninety-one thousand, six hundred seventy-four".