78088851047 has 2 divisors, whose sum is σ = 78088851048. Its totient is φ = 78088851046.

The previous prime is 78088851017. The next prime is 78088851067. The reversal of 78088851047 is 74015888087.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78088851047 - 2¹⁰ = 78088850023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78088850983 and 78088851001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78088851017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39044425523 + 39044425524.

It is an arithmetic number, because the mean of its divisors is an integer number (39044425524).

Almost surely, 2^78088851047 is an apocalyptic number.

78088851047 is a deficient number, since it is larger than the sum of its proper divisors (1).

78088851047 is an equidigital number, since it uses as much as digits as its factorization.

78088851047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4014080, while the sum is 56.

The spelling of 78088851047 in words is "seventy-eight billion, eighty-eight million, eight hundred fifty-one thousand, forty-seven".