82207787867 has 2 divisors, whose sum is σ = 82207787868. Its totient is φ = 82207787866.

The previous prime is 82207787821. The next prime is 82207787887. The reversal of 82207787867 is 76878770228.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82207787867 - 2⁸ = 82207787611 is a prime.

It is not a weakly prime, because it can be changed into another prime (82207787807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41103893933 + 41103893934.

It is an arithmetic number, because the mean of its divisors is an integer number (41103893934).

Almost surely, 2^82207787867 is an apocalyptic number.

82207787867 is a deficient number, since it is larger than the sum of its proper divisors (1).

82207787867 is an equidigital number, since it uses as much as digits as its factorization.

82207787867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29503488, while the sum is 62.

The spelling of 82207787867 in words is "eighty-two billion, two hundred seven million, seven hundred eighty-seven thousand, eight hundred sixty-seven".