78852571271 has 2 divisors, whose sum is σ = 78852571272. Its totient is φ = 78852571270.

The previous prime is 78852571177. The next prime is 78852571277. The reversal of 78852571271 is 17217525887.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78852571271 - 2¹⁴ = 78852554887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78852571277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39426285635 + 39426285636.

It is an arithmetic number, because the mean of its divisors is an integer number (39426285636).

Almost surely, 2^78852571271 is an apocalyptic number.

78852571271 is a deficient number, since it is larger than the sum of its proper divisors (1).

78852571271 is an equidigital number, since it uses as much as digits as its factorization.

78852571271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2195200, while the sum is 53.

The spelling of 78852571271 in words is "seventy-eight billion, eight hundred fifty-two million, five hundred seventy-one thousand, two hundred seventy-one".