6372988667 has 2 divisors, whose sum is σ = 6372988668. Its totient is φ = 6372988666.

The previous prime is 6372988537. The next prime is 6372988693. The reversal of 6372988667 is 7668892736.

6372988667 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6372988667 - 2¹² = 6372984571 is a prime.

It is a super-2 number, since 2×6372988667² = 81229969099420873778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6372988267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3186494333 + 3186494334.

It is an arithmetic number, because the mean of its divisors is an integer number (3186494334).

Almost surely, 2^6372988667 is an apocalyptic number.

6372988667 is a deficient number, since it is larger than the sum of its proper divisors (1).

6372988667 is an equidigital number, since it uses as much as digits as its factorization.

6372988667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36578304, while the sum is 62.

The square root of 6372988667 is about 79831.0006639025. Note that the first 3 decimals coincide. The cubic root of 6372988667 is about 1854.0198605352.

The spelling of 6372988667 in words is "six billion, three hundred seventy-two million, nine hundred eighty-eight thousand, six hundred sixty-seven".