457916887 has 4 divisors (see below), whose sum is σ = 458028616. Its totient is φ = 457805160.

The previous prime is 457916881. The next prime is 457916909. The reversal of 457916887 is 788619754.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-457916887 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 (457916881) 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, 49473 + ... + 57994.

It is an arithmetic number, because the mean of its divisors is an integer number (114507154).

Almost surely, 2^457916887 is an apocalyptic number.

457916887 is a deficient number, since it is larger than the sum of its proper divisors (111729).

457916887 is a wasteful number, since it uses less digits than its factorization.

457916887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111728.

The product of its digits is 3386880, while the sum is 55.

The square root of 457916887 is about 21398.9926632073. The cubic root of 457916887 is about 770.7772480047. Note that the first 3 decimals are identical.

The spelling of 457916887 in words is "four hundred fifty-seven million, nine hundred sixteen thousand, eight hundred eighty-seven".