768436199999 has 4 divisors (see below), whose sum is σ = 827546676936. Its totient is φ = 709325723064.

The previous prime is 768436199983. The next prime is 768436200019. The reversal of 768436199999 is 999991634867.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 768436199999 - 2⁴ = 768436199983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768436199959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29555238449 + ... + 29555238474.

It is an arithmetic number, because the mean of its divisors is an integer number (206886669234).

Almost surely, 2^768436199999 is an apocalyptic number.

768436199999 is a deficient number, since it is larger than the sum of its proper divisors (59110476937).

768436199999 is a wasteful number, since it uses less digits than its factorization.

768436199999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59110476936.

The product of its digits is 1428513408, while the sum is 80.

The spelling of 768436199999 in words is "seven hundred sixty-eight billion, four hundred thirty-six million, one hundred ninety-nine thousand, nine hundred ninety-nine".