7877398967 has 2 divisors, whose sum is σ = 7877398968. Its totient is φ = 7877398966.

The previous prime is 7877398939. The next prime is 7877399039. The reversal of 7877398967 is 7698937787.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7877398967 - 2¹⁸ = 7877136823 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7877398967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7877398937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3938699483 + 3938699484.

It is an arithmetic number, because the mean of its divisors is an integer number (3938699484).

Almost surely, 2^7877398967 is an apocalyptic number.

7877398967 is a deficient number, since it is larger than the sum of its proper divisors (1).

7877398967 is an equidigital number, since it uses as much as digits as its factorization.

7877398967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 224042112, while the sum is 71.

The square root of 7877398967 is about 88754.7123650345. The cubic root of 7877398967 is about 1989.7306072879.

The spelling of 7877398967 in words is "seven billion, eight hundred seventy-seven million, three hundred ninety-eight thousand, nine hundred sixty-seven".