82702978307 has 2 divisors, whose sum is σ = 82702978308. Its totient is φ = 82702978306.

The previous prime is 82702978243. The next prime is 82702978361. The reversal of 82702978307 is 70387920728.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82702978307 - 2⁶ = 82702978243 is a prime.

It is a super-2 number, since 2×82702978307² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82702978367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41351489153 + 41351489154.

It is an arithmetic number, because the mean of its divisors is an integer number (41351489154).

Almost surely, 2^82702978307 is an apocalyptic number.

82702978307 is a deficient number, since it is larger than the sum of its proper divisors (1).

82702978307 is an equidigital number, since it uses as much as digits as its factorization.

82702978307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2370816, while the sum is 53.

The spelling of 82702978307 in words is "eighty-two billion, seven hundred two million, nine hundred seventy-eight thousand, three hundred seven".