457377681 has 8 divisors (see below), whose sum is σ = 610048384. Its totient is φ = 304812720.

The previous prime is 457377667. The next prime is 457377719. The reversal of 457377681 is 186773754.

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

It is not a de Polignac number, because 457377681 - 2⁵ = 457377649 is a prime.

It is a super-2 number, since 2×457377681² = 418388686153875522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 457377681.

It is not an unprimeable number, because it can be changed into a prime (457377611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15721 + ... + 34086.

It is an arithmetic number, because the mean of its divisors is an integer number (76256048).

Almost surely, 2^457377681 is an apocalyptic number.

It is an amenable number.

457377681 is a deficient number, since it is larger than the sum of its proper divisors (152670703).

457377681 is a wasteful number, since it uses less digits than its factorization.

457377681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52871.

The product of its digits is 987840, while the sum is 48.

The square root of 457377681 is about 21386.3900880911. The cubic root of 457377681 is about 770.4745941360.

The spelling of 457377681 in words is "four hundred fifty-seven million, three hundred seventy-seven thousand, six hundred eighty-one".