2128876627 has 4 divisors (see below), whose sum is σ = 2129520600. Its totient is φ = 2128232656.

The previous prime is 2128876613. The next prime is 2128876639. The reversal of 2128876627 is 7266788212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2128876627 - 2¹⁹ = 2128352339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2128876667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317002 + ... + 323647.

It is an arithmetic number, because the mean of its divisors is an integer number (532380150).

Almost surely, 2^2128876627 is an apocalyptic number.

2128876627 is a deficient number, since it is larger than the sum of its proper divisors (643973).

2128876627 is an equidigital number, since it uses as much as digits as its factorization.

2128876627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643972.

The product of its digits is 903168, while the sum is 49.

The square root of 2128876627 is about 46139.7510504771. The cubic root of 2128876627 is about 1286.4221164516.

The spelling of 2128876627 in words is "two billion, one hundred twenty-eight million, eight hundred seventy-six thousand, six hundred twenty-seven".