76976867966 has 4 divisors (see below), whose sum is σ = 115465301952. Its totient is φ = 38488433982.

The previous prime is 76976867927. The next prime is 76976867971. The reversal of 76976867966 is 66976867967.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66976867967 = 151 ⋅443555417.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19244216990 + ... + 19244216993.

It is an arithmetic number, because the mean of its divisors is an integer number (28866325488).

Almost surely, 2^76976867966 is an apocalyptic number.

76976867966 is a deficient number, since it is larger than the sum of its proper divisors (38488433986).

76976867966 is a wasteful number, since it uses less digits than its factorization.

76976867966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38488433985.

The product of its digits is 1728324864, while the sum is 77.

Subtracting from 76976867966 its reverse (66976867967), we obtain a palindrome (9999999999).

The spelling of 76976867966 in words is "seventy-six billion, nine hundred seventy-six million, eight hundred sixty-seven thousand, nine hundred sixty-six".