78712133333 has 2 divisors, whose sum is σ = 78712133334. Its totient is φ = 78712133332.

The previous prime is 78712133231. The next prime is 78712133389. The reversal of 78712133333 is 33333121787.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76719582289 + 1992551044 = 276983^2 + 44638^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78712133333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78712133933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39356066666 + 39356066667.

It is an arithmetic number, because the mean of its divisors is an integer number (39356066667).

Almost surely, 2^78712133333 is an apocalyptic number.

It is an amenable number.

78712133333 is a deficient number, since it is larger than the sum of its proper divisors (1).

78712133333 is an equidigital number, since it uses as much as digits as its factorization.

78712133333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 41.

The spelling of 78712133333 in words is "seventy-eight billion, seven hundred twelve million, one hundred thirty-three thousand, three hundred thirty-three".