6416278867 has 2 divisors, whose sum is σ = 6416278868. Its totient is φ = 6416278866.

The previous prime is 6416278859. The next prime is 6416278889. The reversal of 6416278867 is 7688726146.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6416278867 - 2³ = 6416278859 is a prime.

It is a super-2 number, since 2×6416278867² = 82337268998221607378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6416270867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3208139433 + 3208139434.

It is an arithmetic number, because the mean of its divisors is an integer number (3208139434).

Almost surely, 2^6416278867 is an apocalyptic number.

6416278867 is a deficient number, since it is larger than the sum of its proper divisors (1).

6416278867 is an equidigital number, since it uses as much as digits as its factorization.

6416278867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5419008, while the sum is 55.

The square root of 6416278867 is about 80101.6783032665. The cubic root of 6416278867 is about 1858.2083633140.

The spelling of 6416278867 in words is "six billion, four hundred sixteen million, two hundred seventy-eight thousand, eight hundred sixty-seven".