478480457 has 8 divisors (see below), whose sum is σ = 588899136. Its totient is φ = 378577872.

The previous prime is 478480441. The next prime is 478480481. The reversal of 478480457 is 754084874.

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 478480457 - 2⁴ = 478480441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (478480357) 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, 2628923 + ... + 2629104.

It is an arithmetic number, because the mean of its divisors is an integer number (73612392).

Almost surely, 2^478480457 is an apocalyptic number.

It is an amenable number.

478480457 is a deficient number, since it is larger than the sum of its proper divisors (110418679).

478480457 is a wasteful number, since it uses less digits than its factorization.

478480457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5258047.

The product of its (nonzero) digits is 1003520, while the sum is 47.

The square root of 478480457 is about 21874.1961452301. The cubic root of 478480457 is about 782.1464312623.

The spelling of 478480457 in words is "four hundred seventy-eight million, four hundred eighty thousand, four hundred fifty-seven".