461770871 has 2 divisors, whose sum is σ = 461770872. Its totient is φ = 461770870.

The previous prime is 461770867. The next prime is 461770873. The reversal of 461770871 is 178077164.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 461770871 - 2² = 461770867 is a prime.

Together with 461770873, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461770873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230885435 + 230885436.

It is an arithmetic number, because the mean of its divisors is an integer number (230885436).

Almost surely, 2^461770871 is an apocalyptic number.

461770871 is a deficient number, since it is larger than the sum of its proper divisors (1).

461770871 is an equidigital number, since it uses as much as digits as its factorization.

461770871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65856, while the sum is 41.

The square root of 461770871 is about 21488.8545762681. The cubic root of 461770871 is about 772.9335841279.

The spelling of 461770871 in words is "four hundred sixty-one million, seven hundred seventy thousand, eight hundred seventy-one".