457204978 has 8 divisors (see below), whose sum is σ = 685906560. Its totient is φ = 228569460.

The previous prime is 457204963. The next prime is 457205011. The reversal of 457204978 is 879402754.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8163 + ... + 31321.

It is an arithmetic number, because the mean of its divisors is an integer number (85738320).

Almost surely, 2^457204978 is an apocalyptic number.

457204978 is a deficient number, since it is larger than the sum of its proper divisors (228701582).

457204978 is a wasteful number, since it uses less digits than its factorization.

457204978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33032.

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 457204978 is about 21382.3520221701. The cubic root of 457204978 is about 770.3776064379.

The spelling of 457204978 in words is "four hundred fifty-seven million, two hundred four thousand, nine hundred seventy-eight".