457952978 has 32 divisors (see below), whose sum is σ = 815875200. Its totient is φ = 188625024.

The previous prime is 457952941. The next prime is 457952981. The reversal of 457952978 is 879259754.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89678 + ... + 94646.

It is an arithmetic number, because the mean of its divisors is an integer number (25496100).

Almost surely, 2^457952978 is an apocalyptic number.

457952978 is a deficient number, since it is larger than the sum of its proper divisors (357922222).

457952978 is a wasteful number, since it uses less digits than its factorization.

457952978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5234.

The product of its digits is 6350400, while the sum is 56.

The square root of 457952978 is about 21399.8359339505. The cubic root of 457952978 is about 770.7974972331.

The spelling of 457952978 in words is "four hundred fifty-seven million, nine hundred fifty-two thousand, nine hundred seventy-eight".