78183408010871 has 2 divisors, whose sum is σ = 78183408010872. Its totient is φ = 78183408010870.

The previous prime is 78183408010847. The next prime is 78183408010913. The reversal of 78183408010871 is 17801080438187.

It is a weak prime.

It is an emirp because it is prime and its reverse (17801080438187) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78183408010871 is a prime.

It is a super-2 number, since 2×78183408010871² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78183408010811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39091704005435 + 39091704005436.

It is an arithmetic number, because the mean of its divisors is an integer number (39091704005436).

Almost surely, 2^{78183408010871} is an apocalyptic number.

78183408010871 is a deficient number, since it is larger than the sum of its proper divisors (1).

78183408010871 is an equidigital number, since it uses as much as digits as its factorization.

78183408010871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2408448, while the sum is 56.

The spelling of 78183408010871 in words is "seventy-eight trillion, one hundred eighty-three billion, four hundred eight million, ten thousand, eight hundred seventy-one".