782660082871 has 2 divisors, whose sum is σ = 782660082872. Its totient is φ = 782660082870.

The previous prime is 782660082859. The next prime is 782660082931. The reversal of 782660082871 is 178280066287.

It is a weak prime.

It is an emirp because it is prime and its reverse (178280066287) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 782660082871 - 2¹¹ = 782660080823 is a prime.

It is a super-2 number, since 2×782660082871² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (782660082811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 391330041435 + 391330041436.

It is an arithmetic number, because the mean of its divisors is an integer number (391330041436).

Almost surely, 2^782660082871 is an apocalyptic number.

782660082871 is a deficient number, since it is larger than the sum of its proper divisors (1).

782660082871 is an equidigital number, since it uses as much as digits as its factorization.

782660082871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3612672, while the sum is 55.

The spelling of 782660082871 in words is "seven hundred eighty-two billion, six hundred sixty million, eighty-two thousand, eight hundred seventy-one".