481597857 has 12 divisors (see below), whose sum is σ = 749152404. Its totient is φ = 296367840.

The previous prime is 481597819. The next prime is 481597873. The reversal of 481597857 is 758795184.

481597857 is a `hidden beast` number, since 48 + 1 + 597 + 8 + 5 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 277422336 + 204175521 = 16656^2 + 14289^2 .

It is not a de Polignac number, because 481597857 - 2⁶ = 481597793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (481597817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2057994 + ... + 2058227.

It is an arithmetic number, because the mean of its divisors is an integer number (62429367).

Almost surely, 2^481597857 is an apocalyptic number.

It is an amenable number.

481597857 is a deficient number, since it is larger than the sum of its proper divisors (267554547).

481597857 is a wasteful number, since it uses less digits than its factorization.

481597857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4116240 (or 4116237 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 54.

The square root of 481597857 is about 21945.3379331465. The cubic root of 481597857 is about 783.8413713364.

The spelling of 481597857 in words is "four hundred eighty-one million, five hundred ninety-seven thousand, eight hundred fifty-seven".