2680955887 has 2 divisors, whose sum is σ = 2680955888. Its totient is φ = 2680955886.

The previous prime is 2680955839. The next prime is 2680955909. The reversal of 2680955887 is 7885590862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2680955887 - 2⁷ = 2680955759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2680955807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1340477943 + 1340477944.

It is an arithmetic number, because the mean of its divisors is an integer number (1340477944).

Almost surely, 2^2680955887 is an apocalyptic number.

2680955887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2680955887 is an equidigital number, since it uses as much as digits as its factorization.

2680955887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9676800, while the sum is 58.

The square root of 2680955887 is about 51777.9478832447. The cubic root of 2680955887 is about 1389.1950357119.

The spelling of 2680955887 in words is "two billion, six hundred eighty million, nine hundred fifty-five thousand, eight hundred eighty-seven".