76836863867 has 4 divisors (see below), whose sum is σ = 77889423720. Its totient is φ = 75784304016.

The previous prime is 76836863813. The next prime is 76836863923.

76836863867 is nontrivially palindromic in base 10.

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 76836863867 - 2²⁰ = 76835815291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76836863797 and 76836863806.

It is not an unprimeable number, because it can be changed into a prime (76836863767) 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, 526279817 + ... + 526279962.

It is an arithmetic number, because the mean of its divisors is an integer number (19472355930).

Almost surely, 2^76836863867 is an apocalyptic number.

76836863867 is a deficient number, since it is larger than the sum of its proper divisors (1052559853).

76836863867 is a wasteful number, since it uses less digits than its factorization.

76836863867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052559852.

The product of its digits is 292626432, while the sum is 68.

The spelling of 76836863867 in words is "seventy-six billion, eight hundred thirty-six million, eight hundred sixty-three thousand, eight hundred sixty-seven".