7777666706983 has 2 divisors, whose sum is σ = 7777666706984. Its totient is φ = 7777666706982.

The previous prime is 7777666706969. The next prime is 7777666707007. The reversal of 7777666706983 is 3896076667777.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7777666706983 - 2⁵ = 7777666706951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7777666706083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3888833353491 + 3888833353492.

It is an arithmetic number, because the mean of its divisors is an integer number (3888833353492).

Almost surely, 2^{7777666706983} is an apocalyptic number.

7777666706983 is a deficient number, since it is larger than the sum of its proper divisors (1).

7777666706983 is an equidigital number, since it uses as much as digits as its factorization.

7777666706983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704884352, while the sum is 79.

The spelling of 7777666706983 in words is "seven trillion, seven hundred seventy-seven billion, six hundred sixty-six million, seven hundred six thousand, nine hundred eighty-three".