1679418677 has 2 divisors, whose sum is σ = 1679418678. Its totient is φ = 1679418676.

The previous prime is 1679418673. The next prime is 1679418679. The reversal of 1679418677 is 7768149761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 926958916 + 752459761 = 30446^2 + 27431^2 .

It is a cyclic number.

It is not a de Polignac number, because 1679418677 - 2² = 1679418673 is a prime.

Together with 1679418679, 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 (1679418673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 839709338 + 839709339.

It is an arithmetic number, because the mean of its divisors is an integer number (839709339).

Almost surely, 2^1679418677 is an apocalyptic number.

It is an amenable number.

1679418677 is a deficient number, since it is larger than the sum of its proper divisors (1).

1679418677 is an equidigital number, since it uses as much as digits as its factorization.

1679418677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3556224, while the sum is 56.

The square root of 1679418677 is about 40980.7110358032. The cubic root of 1679418677 is about 1188.6472581255.

The spelling of 1679418677 in words is "one billion, six hundred seventy-nine million, four hundred eighteen thousand, six hundred seventy-seven".