457877893 has 4 divisors (see below), whose sum is σ = 499503168. Its totient is φ = 416252620.

The previous prime is 457877863. The next prime is 457877899. The reversal of 457877893 is 398778754.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 457877893 - 2²⁵ = 424323461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457877899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20812621 + ... + 20812642.

It is an arithmetic number, because the mean of its divisors is an integer number (124875792).

Almost surely, 2^457877893 is an apocalyptic number.

It is an amenable number.

457877893 is a deficient number, since it is larger than the sum of its proper divisors (41625275).

457877893 is a wasteful number, since it uses less digits than its factorization.

457877893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41625274.

The product of its digits is 11854080, while the sum is 58.

The square root of 457877893 is about 21398.0815261556. The cubic root of 457877893 is about 770.7553688224.

The spelling of 457877893 in words is "four hundred fifty-seven million, eight hundred seventy-seven thousand, eight hundred ninety-three".