76833741421 has 2 divisors, whose sum is σ = 76833741422. Its totient is φ = 76833741420.

The previous prime is 76833741389. The next prime is 76833741503. The reversal of 76833741421 is 12414733867.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45162200196 + 31671541225 = 212514^2 + 177965^2 .

It is a cyclic number.

It is not a de Polignac number, because 76833741421 - 2⁵ = 76833741389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76833781421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38416870710 + 38416870711.

It is an arithmetic number, because the mean of its divisors is an integer number (38416870711).

Almost surely, 2^76833741421 is an apocalyptic number.

It is an amenable number.

76833741421 is a deficient number, since it is larger than the sum of its proper divisors (1).

76833741421 is an equidigital number, since it uses as much as digits as its factorization.

76833741421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 46.

The spelling of 76833741421 in words is "seventy-six billion, eight hundred thirty-three million, seven hundred forty-one thousand, four hundred twenty-one".