766666689999983 has 2 divisors, whose sum is σ = 766666689999984. Its totient is φ = 766666689999982.

The previous prime is 766666689999967. The next prime is 766666690000009. The reversal of 766666689999983 is 389999986666667.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 766666689999983 - 2⁴ = 766666689999967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (766666689959983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383333344999991 + 383333344999992.

It is an arithmetic number, because the mean of its divisors is an integer number (383333344999992).

Almost surely, 2^{766666689999983} is an apocalyptic number.

766666689999983 is a deficient number, since it is larger than the sum of its proper divisors (1).

766666689999983 is an equidigital number, since it uses as much as digits as its factorization.

766666689999983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3702706753536, while the sum is 107.

The spelling of 766666689999983 in words is "seven hundred sixty-six trillion, six hundred sixty-six billion, six hundred eighty-nine million, nine hundred ninety-nine thousand, nine hundred eighty-three".