78368275967 has 2 divisors, whose sum is σ = 78368275968. Its totient is φ = 78368275966.

The previous prime is 78368275943. The next prime is 78368276009. The reversal of 78368275967 is 76957286387.

It is a weak prime.

It is an emirp because it is prime and its reverse (76957286387) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78368275967 - 2⁶ = 78368275903 is a prime.

It is a super-2 number, since 2×78368275967² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78368275897 and 78368275906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78367275967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39184137983 + 39184137984.

It is an arithmetic number, because the mean of its divisors is an integer number (39184137984).

Almost surely, 2^78368275967 is an apocalyptic number.

78368275967 is a deficient number, since it is larger than the sum of its proper divisors (1).

78368275967 is an equidigital number, since it uses as much as digits as its factorization.

78368275967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 213373440, while the sum is 68.

The spelling of 78368275967 in words is "seventy-eight billion, three hundred sixty-eight million, two hundred seventy-five thousand, nine hundred sixty-seven".