1676676647 has 2 divisors, whose sum is σ = 1676676648. Its totient is φ = 1676676646.

The previous prime is 1676676611. The next prime is 1676676713. The reversal of 1676676647 is 7466766761.

It is a weak prime.

It is an emirp because it is prime and its reverse (7466766761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1676676647 - 2⁶ = 1676676583 is a prime.

It is a super-2 number, since 2×1676676647² = 5622489157190325218, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1676676592 and 1676676601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1676676347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 838338323 + 838338324.

It is an arithmetic number, because the mean of its divisors is an integer number (838338324).

Almost surely, 2^1676676647 is an apocalyptic number.

1676676647 is a deficient number, since it is larger than the sum of its proper divisors (1).

1676676647 is an equidigital number, since it uses as much as digits as its factorization.

1676676647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10668672, while the sum is 56.

The square root of 1676676647 is about 40947.2422392522. The cubic root of 1676676647 is about 1187.9999940955. Note that the first 5 decimals are identical.

The spelling of 1676676647 in words is "one billion, six hundred seventy-six million, six hundred seventy-six thousand, six hundred forty-seven".