82768667594 has 16 divisors (see below), whose sum is σ = 128802177000. Its totient is φ = 39842787264.

The previous prime is 82768667477. The next prime is 82768667599. The reversal of 82768667594 is 49576686728.

It can be written as a sum of positive squares in 4 ways, for example, as 82606232569 + 162435025 = 287413^2 + 12745^2 .

It is not an unprimeable number, because it can be changed into a prime (82768667599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2024237 + ... + 2064720.

Almost surely, 2^82768667594 is an apocalyptic number.

82768667594 is a deficient number, since it is larger than the sum of its proper divisors (46033509406).

82768667594 is a wasteful number, since it uses less digits than its factorization.

82768667594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4089337.

The product of its digits is 243855360, while the sum is 68.

The spelling of 82768667594 in words is "eighty-two billion, seven hundred sixty-eight million, six hundred sixty-seven thousand, five hundred ninety-four".