2116827875 has 16 divisors (see below), whose sum is σ = 2643114240. Its totient is φ = 1692620800.

The previous prime is 2116827863. The next prime is 2116827893. The reversal of 2116827875 is 5787286112.

It is not a de Polignac number, because 2116827875 - 2⁴ = 2116827859 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413582 + ... + 418668.

It is an arithmetic number, because the mean of its divisors is an integer number (165194640).

Almost surely, 2^2116827875 is an apocalyptic number.

2116827875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2116827875 is a deficient number, since it is larger than the sum of its proper divisors (526286365).

2116827875 is an equidigital number, since it uses as much as digits as its factorization.

2116827875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8431 (or 8421 counting only the distinct ones).

The product of its digits is 376320, while the sum is 47.

The square root of 2116827875 is about 46008.9977613075. The cubic root of 2116827875 is about 1283.9906126891.

The spelling of 2116827875 in words is "two billion, one hundred sixteen million, eight hundred twenty-seven thousand, eight hundred seventy-five".