2770961887 has 2 divisors, whose sum is σ = 2770961888. Its totient is φ = 2770961886.

The previous prime is 2770961789. The next prime is 2770961909. The reversal of 2770961887 is 7881690772.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2770961887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2770911887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1385480943 + 1385480944.

It is an arithmetic number, because the mean of its divisors is an integer number (1385480944).

Almost surely, 2^2770961887 is an apocalyptic number.

2770961887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2770961887 is an equidigital number, since it uses as much as digits as its factorization.

2770961887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2370816, while the sum is 55.

The square root of 2770961887 is about 52639.9267381709. The cubic root of 2770961887 is about 1404.5704181796.

The spelling of 2770961887 in words is "two billion, seven hundred seventy million, nine hundred sixty-one thousand, eight hundred eighty-seven".