677183893 has 2 divisors, whose sum is σ = 677183894. Its totient is φ = 677183892.

The previous prime is 677183873. The next prime is 677183911. The reversal of 677183893 is 398381776.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 640241809 + 36942084 = 25303^2 + 6078^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-677183893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 677183893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (677183863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338591946 + 338591947.

It is an arithmetic number, because the mean of its divisors is an integer number (338591947).

Almost surely, 2^677183893 is an apocalyptic number.

It is an amenable number.

677183893 is a deficient number, since it is larger than the sum of its proper divisors (1).

677183893 is an equidigital number, since it uses as much as digits as its factorization.

677183893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 52.

The square root of 677183893 is about 26022.7572136390. The cubic root of 677183893 is about 878.1503388593.

The spelling of 677183893 in words is "six hundred seventy-seven million, one hundred eighty-three thousand, eight hundred ninety-three".