2128077886 has 8 divisors (see below), whose sum is σ = 3482309304. Its totient is φ = 967308120.

The previous prime is 2128077883. The next prime is 2128077893. The reversal of 2128077886 is 6887708212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128077883) 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, 48365385 + ... + 48365428.

It is an arithmetic number, because the mean of its divisors is an integer number (435288663).

Almost surely, 2^2128077886 is an apocalyptic number.

2128077886 is a deficient number, since it is larger than the sum of its proper divisors (1354231418).

2128077886 is a wasteful number, since it uses less digits than its factorization.

2128077886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96730826.

The product of its (nonzero) digits is 602112, while the sum is 49.

The square root of 2128077886 is about 46131.0945675474. The cubic root of 2128077886 is about 1286.2612105216.

The spelling of 2128077886 in words is "two billion, one hundred twenty-eight million, seventy-seven thousand, eight hundred eighty-six".