671797183 has 2 divisors, whose sum is σ = 671797184. Its totient is φ = 671797182.

The previous prime is 671797171. The next prime is 671797237. The reversal of 671797183 is 381797176.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-671797183 is a prime.

It is a super-2 number, since 2×671797183² = 902622910173470978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (671797283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335898591 + 335898592.

It is an arithmetic number, because the mean of its divisors is an integer number (335898592).

Almost surely, 2^671797183 is an apocalyptic number.

671797183 is a deficient number, since it is larger than the sum of its proper divisors (1).

671797183 is an equidigital number, since it uses as much as digits as its factorization.

671797183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 444528, while the sum is 49.

The square root of 671797183 is about 25919.0505806058. The cubic root of 671797183 is about 875.8156999708.

The spelling of 671797183 in words is "six hundred seventy-one million, seven hundred ninety-seven thousand, one hundred eighty-three".