76973388337966 has 4 divisors (see below), whose sum is σ = 115460082506952. Its totient is φ = 38486694168982.

The previous prime is 76973388337849. The next prime is 76973388337981. The reversal of 76973388337966 is 66973388337967.

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

It is a Smith number, since the sum of its digits (85) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19243347084490 + ... + 19243347084493.

It is an arithmetic number, because the mean of its divisors is an integer number (28865020626738).

Almost surely, 2^{76973388337966} is an apocalyptic number.

76973388337966 is a deficient number, since it is larger than the sum of its proper divisors (38486694168986).

76973388337966 is a wasteful number, since it uses less digits than its factorization.

76973388337966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38486694168985.

The product of its digits is 31109847552, while the sum is 85.

Subtracting from 76973388337966 its reverse (66973388337967), we obtain a palindrome (9999999999999).

The spelling of 76973388337966 in words is "seventy-six trillion, nine hundred seventy-three billion, three hundred eighty-eight million, three hundred thirty-seven thousand, nine hundred sixty-six".