478478225726 has 8 divisors (see below), whose sum is σ = 717720600960. Its totient is φ = 239238025408.

The previous prime is 478478225723. The next prime is 478478225777. The reversal of 478478225726 is 627522874874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478478225723) 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, 221870 + ... + 1003086.

It is an arithmetic number, because the mean of its divisors is an integer number (89715075120).

Almost surely, 2^478478225726 is an apocalyptic number.

478478225726 is a deficient number, since it is larger than the sum of its proper divisors (239242375234).

478478225726 is a wasteful number, since it uses less digits than its factorization.

478478225726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087458.

The product of its digits is 84295680, while the sum is 62.

The spelling of 478478225726 in words is "four hundred seventy-eight billion, four hundred seventy-eight million, two hundred twenty-five thousand, seven hundred twenty-six".