478674051 has 4 divisors (see below), whose sum is σ = 638232072. Its totient is φ = 319116032.

The previous prime is 478674041. The next prime is 478674071. The reversal of 478674051 is 150476874.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 478674051 - 2¹⁸ = 478411907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 478673994 and 478674012.

It is not an unprimeable number, because it can be changed into a prime (478674041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79779006 + ... + 79779011.

It is an arithmetic number, because the mean of its divisors is an integer number (159558018).

Almost surely, 2^478674051 is an apocalyptic number.

478674051 is a deficient number, since it is larger than the sum of its proper divisors (159558021).

478674051 is a wasteful number, since it uses less digits than its factorization.

478674051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159558020.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 478674051 is about 21878.6208660418. The cubic root of 478674051 is about 782.2519029607.

The spelling of 478674051 in words is "four hundred seventy-eight million, six hundred seventy-four thousand, fifty-one".