457731899 has 4 divisors (see below), whose sum is σ = 462264000. Its totient is φ = 453199800.

The previous prime is 457731893. The next prime is 457731917. The reversal of 457731899 is 998137754.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 457731899 - 2⁸ = 457731643 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 457731899.

It is not an unprimeable number, because it can be changed into a prime (457731893) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2265899 + ... + 2266100.

It is an arithmetic number, because the mean of its divisors is an integer number (115566000).

Almost surely, 2^457731899 is an apocalyptic number.

457731899 is a deficient number, since it is larger than the sum of its proper divisors (4532101).

457731899 is a wasteful number, since it uses less digits than its factorization.

457731899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4532100.

The product of its digits is 1905120, while the sum is 53.

The square root of 457731899 is about 21394.6698735923. The cubic root of 457731899 is about 770.6734418700.

The spelling of 457731899 in words is "four hundred fifty-seven million, seven hundred thirty-one thousand, eight hundred ninety-nine".