1677311893 has 2 divisors, whose sum is σ = 1677311894. Its totient is φ = 1677311892.

The previous prime is 1677311873. The next prime is 1677311921. The reversal of 1677311893 is 3981137761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 841986289 + 835325604 = 29017^2 + 28902^2 .

It is a cyclic number.

It is not a de Polignac number, because 1677311893 - 2¹⁷ = 1677180821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1677311833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 838655946 + 838655947.

It is an arithmetic number, because the mean of its divisors is an integer number (838655947).

Almost surely, 2^1677311893 is an apocalyptic number.

It is an amenable number.

1677311893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1677311893 is an equidigital number, since it uses as much as digits as its factorization.

1677311893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 46.

The square root of 1677311893 is about 40954.9983884751. The cubic root of 1677311893 is about 1188.1500085020.

The spelling of 1677311893 in words is "one billion, six hundred seventy-seven million, three hundred eleven thousand, eight hundred ninety-three".