2771512879 has 2 divisors, whose sum is σ = 2771512880. Its totient is φ = 2771512878.

The previous prime is 2771512867. The next prime is 2771512883. The reversal of 2771512879 is 9782151772.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2771512879 - 2⁵ = 2771512847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2771512829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1385756439 + 1385756440.

It is an arithmetic number, because the mean of its divisors is an integer number (1385756440).

Almost surely, 2^2771512879 is an apocalyptic number.

2771512879 is a deficient number, since it is larger than the sum of its proper divisors (1).

2771512879 is an equidigital number, since it uses as much as digits as its factorization.

2771512879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 493920, while the sum is 49.

The square root of 2771512879 is about 52645.1600719382. The cubic root of 2771512879 is about 1404.6635092920.

The spelling of 2771512879 in words is "two billion, seven hundred seventy-one million, five hundred twelve thousand, eight hundred seventy-nine".