2667972887 has 2 divisors, whose sum is σ = 2667972888. Its totient is φ = 2667972886.

The previous prime is 2667972859. The next prime is 2667972889. The reversal of 2667972887 is 7882797662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2667972887 - 2¹² = 2667968791 is a prime.

It is a super-2 number, since 2×2667972887² = 14236158651534229538, which contains 22 as substring.

Together with 2667972889, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2667972889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1333986443 + 1333986444.

It is an arithmetic number, because the mean of its divisors is an integer number (1333986444).

Almost surely, 2^2667972887 is an apocalyptic number.

2667972887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2667972887 is an equidigital number, since it uses as much as digits as its factorization.

2667972887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28449792, while the sum is 62.

The square root of 2667972887 is about 51652.4238250249. The cubic root of 2667972887 is about 1386.9489323906.

The spelling of 2667972887 in words is "two billion, six hundred sixty-seven million, nine hundred seventy-two thousand, eight hundred eighty-seven".