457676881 has 4 divisors (see below), whose sum is σ = 459675700. Its totient is φ = 455678064.

The previous prime is 457676861. The next prime is 457676887. The reversal of 457676881 is 188676754.

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

It can be written as a sum of positive squares in 2 ways, for example, as 309056400 + 148620481 = 17580^2 + 12191^2 .

It is a cyclic number.

It is not a de Polignac number, because 457676881 - 2⁹ = 457676369 is a prime.

It is a super-2 number, since 2×457676881² = 418936254803776322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (457676887) 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, 999066 + ... + 999523.

It is an arithmetic number, because the mean of its divisors is an integer number (114918925).

Almost surely, 2^457676881 is an apocalyptic number.

It is an amenable number.

457676881 is a deficient number, since it is larger than the sum of its proper divisors (1998819).

457676881 is a wasteful number, since it uses less digits than its factorization.

457676881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998818.

The product of its digits is 2257920, while the sum is 52.

The square root of 457676881 is about 21393.3840474105. The cubic root of 457676881 is about 770.6425630882.

The spelling of 457676881 in words is "four hundred fifty-seven million, six hundred seventy-six thousand, eight hundred eighty-one".