78712050713 has 2 divisors, whose sum is σ = 78712050714. Its totient is φ = 78712050712.

The previous prime is 78712050629. The next prime is 78712050721. The reversal of 78712050713 is 31705021787.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61825827904 + 16886222809 = 248648^2 + 129947^2 .

It is a cyclic number.

It is not a de Polignac number, because 78712050713 - 2²⁴ = 78695273497 is a prime.

It is not a weakly prime, because it can be changed into another prime (78712050413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39356025356 + 39356025357.

It is an arithmetic number, because the mean of its divisors is an integer number (39356025357).

Almost surely, 2^78712050713 is an apocalyptic number.

It is an amenable number.

78712050713 is a deficient number, since it is larger than the sum of its proper divisors (1).

78712050713 is an equidigital number, since it uses as much as digits as its factorization.

78712050713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82320, while the sum is 41.

The spelling of 78712050713 in words is "seventy-eight billion, seven hundred twelve million, fifty thousand, seven hundred thirteen".