76819999699999 has 2 divisors, whose sum is σ = 76819999700000. Its totient is φ = 76819999699998.

The previous prime is 76819999699991. The next prime is 76819999700009. The reversal of 76819999699999 is 99999699991867.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76819999699999 - 2³ = 76819999699991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76819999699895 and 76819999699904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76819999699991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38409999849999 + 38409999850000.

It is an arithmetic number, because the mean of its divisors is an integer number (38409999850000).

Almost surely, 2^{76819999699999} is an apocalyptic number.

76819999699999 is a deficient number, since it is larger than the sum of its proper divisors (1).

76819999699999 is an equidigital number, since it uses as much as digits as its factorization.

76819999699999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 781039705824, while the sum is 109.

The spelling of 76819999699999 in words is "seventy-six trillion, eight hundred nineteen billion, nine hundred ninety-nine million, six hundred ninety-nine thousand, nine hundred ninety-nine".