2771373987 has 8 divisors (see below), whose sum is σ = 4105739280. Its totient is φ = 1847582640.

The previous prime is 2771373977. The next prime is 2771374013. The reversal of 2771373987 is 7893731772.

It is not a de Polignac number, because 2771373987 - 2⁶ = 2771373923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2771373947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51321714 + ... + 51321767.

It is an arithmetic number, because the mean of its divisors is an integer number (513217410).

Almost surely, 2^2771373987 is an apocalyptic number.

2771373987 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2771373987 is a deficient number, since it is larger than the sum of its proper divisors (1334365293).

2771373987 is a wasteful number, since it uses less digits than its factorization.

2771373987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102643490 (or 102643484 counting only the distinct ones).

The product of its digits is 3111696, while the sum is 54.

The square root of 2771373987 is about 52643.8409218020. The cubic root of 2771373987 is about 1404.6400443962.

The spelling of 2771373987 in words is "two billion, seven hundred seventy-one million, three hundred seventy-three thousand, nine hundred eighty-seven".