457239863 has 8 divisors (see below), whose sum is σ = 472281600. Its totient is φ = 442216440.

The previous prime is 457239833. The next prime is 457239983. The reversal of 457239863 is 368932754.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 457239863 - 2¹⁰ = 457238839 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 (457239833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61556 + ... + 68582.

It is an arithmetic number, because the mean of its divisors is an integer number (59035200).

Almost surely, 2^457239863 is an apocalyptic number.

457239863 is a deficient number, since it is larger than the sum of its proper divisors (15041737).

457239863 is a wasteful number, since it uses less digits than its factorization.

457239863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9157.

The product of its digits is 1088640, while the sum is 47.

The square root of 457239863 is about 21383.1677494238. The cubic root of 457239863 is about 770.3971993562.

The spelling of 457239863 in words is "four hundred fifty-seven million, two hundred thirty-nine thousand, eight hundred sixty-three".