2720788871 has 2 divisors, whose sum is σ = 2720788872. Its totient is φ = 2720788870.

The previous prime is 2720788789. The next prime is 2720788877. The reversal of 2720788871 is 1788870272.

2720788871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2720788871 - 2¹⁰ = 2720787847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2720788877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1360394435 + 1360394436.

It is an arithmetic number, because the mean of its divisors is an integer number (1360394436).

Almost surely, 2^2720788871 is an apocalyptic number.

2720788871 is a deficient number, since it is larger than the sum of its proper divisors (1).

2720788871 is an equidigital number, since it uses as much as digits as its factorization.

2720788871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 702464, while the sum is 50.

The square root of 2720788871 is about 52161.1816488085. The cubic root of 2720788871 is about 1396.0413461029.

The spelling of 2720788871 in words is "two billion, seven hundred twenty million, seven hundred eighty-eight thousand, eight hundred seventy-one".