461217857 has 8 divisors (see below), whose sum is σ = 466033920. Its totient is φ = 456421680.

The previous prime is 461217853. The next prime is 461217893. The reversal of 461217857 is 758712164.

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 461217857 - 2² = 461217853 is a prime.

It is a super-3 number, since 3×461217857³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461217851) 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, 44144 + ... + 53582.

It is an arithmetic number, because the mean of its divisors is an integer number (58254240).

Almost surely, 2^461217857 is an apocalyptic number.

It is an amenable number.

461217857 is a deficient number, since it is larger than the sum of its proper divisors (4816063).

461217857 is a wasteful number, since it uses less digits than its factorization.

461217857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9943.

The product of its digits is 94080, while the sum is 41.

The square root of 461217857 is about 21475.9832603772. The cubic root of 461217857 is about 772.6249073447.

The spelling of 461217857 in words is "four hundred sixty-one million, two hundred seventeen thousand, eight hundred fifty-seven".