478843379 has 16 divisors (see below), whose sum is σ = 559822848. Its totient is φ = 401036832.

The previous prime is 478843373. The next prime is 478843433. The reversal of 478843379 is 973348874.

It is a de Polignac number, because none of the positive numbers 2^k-478843379 is a prime.

It is a super-2 number, since 2×478843379² = 458581963224275282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 478843379.

It is not an unprimeable number, because it can be changed into a prime (478843373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366842 + ... + 368144.

It is an arithmetic number, because the mean of its divisors is an integer number (34988928).

Almost surely, 2^478843379 is an apocalyptic number.

478843379 is a deficient number, since it is larger than the sum of its proper divisors (80979469).

478843379 is a wasteful number, since it uses less digits than its factorization.

478843379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2474.

The product of its digits is 4064256, while the sum is 53.

The square root of 478843379 is about 21882.4902376306. The cubic root of 478843379 is about 782.3441310188.

The spelling of 478843379 in words is "four hundred seventy-eight million, eight hundred forty-three thousand, three hundred seventy-nine".