78088834633 has 2 divisors, whose sum is σ = 78088834634. Its totient is φ = 78088834632.

The previous prime is 78088834613. The next prime is 78088834687. The reversal of 78088834633 is 33643888087.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45265541049 + 32823293584 = 212757^2 + 181172^2 .

It is a cyclic number.

It is not a de Polignac number, because 78088834633 - 2⁵ = 78088834601 is a prime.

It is not a weakly prime, because it can be changed into another prime (78088834613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39044417316 + 39044417317.

It is an arithmetic number, because the mean of its divisors is an integer number (39044417317).

Almost surely, 2^78088834633 is an apocalyptic number.

It is an amenable number.

78088834633 is a deficient number, since it is larger than the sum of its proper divisors (1).

78088834633 is an equidigital number, since it uses as much as digits as its factorization.

78088834633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18579456, while the sum is 58.

The spelling of 78088834633 in words is "seventy-eight billion, eighty-eight million, eight hundred thirty-four thousand, six hundred thirty-three".