78713110433 has 2 divisors, whose sum is σ = 78713110434. Its totient is φ = 78713110432.

The previous prime is 78713110409. The next prime is 78713110459. The reversal of 78713110433 is 33401131787.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48528565264 + 30184545169 = 220292^2 + 173737^2 .

It is a cyclic number.

It is not a de Polignac number, because 78713110433 - 2¹⁴ = 78713094049 is a prime.

It is not a weakly prime, because it can be changed into another prime (78713112433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39356555216 + 39356555217.

It is an arithmetic number, because the mean of its divisors is an integer number (39356555217).

Almost surely, 2^78713110433 is an apocalyptic number.

It is an amenable number.

78713110433 is a deficient number, since it is larger than the sum of its proper divisors (1).

78713110433 is an equidigital number, since it uses as much as digits as its factorization.

78713110433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The spelling of 78713110433 in words is "seventy-eight billion, seven hundred thirteen million, one hundred ten thousand, four hundred thirty-three".