479978254 has 8 divisors (see below), whose sum is σ = 822819888. Its totient is φ = 205704960.

The previous prime is 479978231. The next prime is 479978299. The reversal of 479978254 is 452879974.

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

It is a junction number, because it is equal to n+sod(n) for n = 479978195 and 479978204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17142067 + ... + 17142094.

It is an arithmetic number, because the mean of its divisors is an integer number (102852486).

Almost surely, 2^479978254 is an apocalyptic number.

479978254 is a deficient number, since it is larger than the sum of its proper divisors (342841634).

479978254 is a wasteful number, since it uses less digits than its factorization.

479978254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34284170.

The product of its digits is 5080320, while the sum is 55.

The square root of 479978254 is about 21908.4060123050. The cubic root of 479978254 is about 782.9617040675.

The spelling of 479978254 in words is "four hundred seventy-nine million, nine hundred seventy-eight thousand, two hundred fifty-four".