457678852 has 24 divisors (see below), whose sum is σ = 822016832. Its totient is φ = 222890400.

The previous prime is 457678847. The next prime is 457678853. The reversal of 457678852 is 258876754.

It is a self number, because there is not a number n which added to its sum of digits gives 457678852.

It is not an unprimeable number, because it can be changed into a prime (457678853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16027 + ... + 34237.

Almost surely, 2^457678852 is an apocalyptic number.

It is an amenable number.

457678852 is a deficient number, since it is larger than the sum of its proper divisors (364337980).

457678852 is a wasteful number, since it uses less digits than its factorization.

457678852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18379 (or 18377 counting only the distinct ones).

The product of its digits is 3763200, while the sum is 52.

The square root of 457678852 is about 21393.4301130043. The cubic root of 457678852 is about 770.6436693522.

The spelling of 457678852 in words is "four hundred fifty-seven million, six hundred seventy-eight thousand, eight hundred fifty-two".