2721082879 has 2 divisors, whose sum is σ = 2721082880. Its totient is φ = 2721082878.

The previous prime is 2721082829. The next prime is 2721082921. The reversal of 2721082879 is 9782801272.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2721082879 - 2²⁵ = 2687528447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2721082829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1360541439 + 1360541440.

It is an arithmetic number, because the mean of its divisors is an integer number (1360541440).

Almost surely, 2^2721082879 is an apocalyptic number.

2721082879 is a deficient number, since it is larger than the sum of its proper divisors (1).

2721082879 is an equidigital number, since it uses as much as digits as its factorization.

2721082879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 46.

The square root of 2721082879 is about 52163.9998370524. Note that the first 3 decimals coincide. The cubic root of 2721082879 is about 1396.0916296248.

The spelling of 2721082879 in words is "two billion, seven hundred twenty-one million, eighty-two thousand, eight hundred seventy-nine".