478757454 has 16 divisors (see below), whose sum is σ = 1094302848. Its totient is φ = 136787832.

The previous prime is 478757441. The next prime is 478757501. The reversal of 478757454 is 454757874.

It is a junction number, because it is equal to n+sod(n) for n = 478757397 and 478757406.

It is a congruent number.

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, 5699452 + ... + 5699535.

It is an arithmetic number, because the mean of its divisors is an integer number (68393928).

Almost surely, 2^478757454 is an apocalyptic number.

478757454 is an abundant number, since it is smaller than the sum of its proper divisors (615545394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478757454 is a wasteful number, since it uses less digits than its factorization.

478757454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11398999.

The product of its digits is 4390400, while the sum is 51.

The square root of 478757454 is about 21880.5268218112. The cubic root of 478757454 is about 782.2973328772.

The spelling of 478757454 in words is "four hundred seventy-eight million, seven hundred fifty-seven thousand, four hundred fifty-four".