76991619967 has 8 divisors (see below), whose sum is σ = 77821467120. Its totient is φ = 76163097600.

The previous prime is 76991619953. The next prime is 76991620039.

76991619967 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76991619967 - 2¹¹ = 76991617919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76991619896 and 76991619905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76991619917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214117 + ... + 447022.

It is an arithmetic number, because the mean of its divisors is an integer number (9727683390).

Almost surely, 2^76991619967 is an apocalyptic number.

76991619967 is a deficient number, since it is larger than the sum of its proper divisors (829847153).

76991619967 is a wasteful number, since it uses less digits than its factorization.

76991619967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662393.

The product of its digits is 69441624, while the sum is 70.

The spelling of 76991619967 in words is "seventy-six billion, nine hundred ninety-one million, six hundred nineteen thousand, nine hundred sixty-seven".