82560178783 has 2 divisors, whose sum is σ = 82560178784. Its totient is φ = 82560178782.

The previous prime is 82560178721. The next prime is 82560178787. The reversal of 82560178783 is 38787106528.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82560178783 is a prime.

It is a super-2 number, since 2×82560178783² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82560178787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41280089391 + 41280089392.

It is an arithmetic number, because the mean of its divisors is an integer number (41280089392).

Almost surely, 2^82560178783 is an apocalyptic number.

82560178783 is a deficient number, since it is larger than the sum of its proper divisors (1).

82560178783 is an equidigital number, since it uses as much as digits as its factorization.

82560178783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4515840, while the sum is 55.

The spelling of 82560178783 in words is "eighty-two billion, five hundred sixty million, one hundred seventy-eight thousand, seven hundred eighty-three".