457378117 has 16 divisors (see below), whose sum is σ = 526822912. Its totient is φ = 388974960.

The previous prime is 457378109. The next prime is 457378133. The reversal of 457378117 is 711873754.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 457378117 - 2³ = 457378109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457378147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 710998 + ... + 711640.

It is an arithmetic number, because the mean of its divisors is an integer number (32926432).

Almost surely, 2^457378117 is an apocalyptic number.

It is an amenable number.

457378117 is a deficient number, since it is larger than the sum of its proper divisors (69444795).

457378117 is a wasteful number, since it uses less digits than its factorization.

457378117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288.

The product of its digits is 164640, while the sum is 43.

The square root of 457378117 is about 21386.4002814873. The cubic root of 457378117 is about 770.4748389568.

The spelling of 457378117 in words is "four hundred fifty-seven million, three hundred seventy-eight thousand, one hundred seventeen".