2748666887 has 2 divisors, whose sum is σ = 2748666888. Its totient is φ = 2748666886.

The previous prime is 2748666871. The next prime is 2748666923. The reversal of 2748666887 is 7886668472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2748666887 - 2⁴ = 2748666871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2748666847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1374333443 + 1374333444.

It is an arithmetic number, because the mean of its divisors is an integer number (1374333444).

Almost surely, 2^2748666887 is an apocalyptic number.

2748666887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2748666887 is an equidigital number, since it uses as much as digits as its factorization.

2748666887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43352064, while the sum is 62.

The square root of 2748666887 is about 52427.7301339663. The cubic root of 2748666887 is about 1400.7932387321.

The spelling of 2748666887 in words is "two billion, seven hundred forty-eight million, six hundred sixty-six thousand, eight hundred eighty-seven".