76973388337849 has 2 divisors, whose sum is σ = 76973388337850. Its totient is φ = 76973388337848.

The previous prime is 76973388337817. The next prime is 76973388337981. The reversal of 76973388337849 is 94873388337967.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40243037187600 + 36730351150249 = 6343740^2 + 6060557^2 .

It is a cyclic number.

It is not a de Polignac number, because 76973388337849 - 2⁵ = 76973388337817 is a prime.

It is not a weakly prime, because it can be changed into another prime (76973388337649) by changing a digit.

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, 38486694168924 + 38486694168925.

It is an arithmetic number, because the mean of its divisors is an integer number (38486694168925).

Almost surely, 2^{76973388337849} is an apocalyptic number.

It is an amenable number.

76973388337849 is a deficient number, since it is larger than the sum of its proper divisors (1).

76973388337849 is an equidigital number, since it uses as much as digits as its factorization.

76973388337849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27653197824, while the sum is 85.

The spelling of 76973388337849 in words is "seventy-six trillion, nine hundred seventy-three billion, three hundred eighty-eight million, three hundred thirty-seven thousand, eight hundred forty-nine".