2116869877 has 8 divisors (see below), whose sum is σ = 2190378240. Its totient is φ = 2043395760.

The previous prime is 2116869871. The next prime is 2116869901. The reversal of 2116869877 is 7789686112.

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

It is a cyclic number.

It is not a de Polignac number, because 2116869877 - 2⁷ = 2116869749 is a prime.

It is a super-2 number, since 2×2116869877² = 8962276152299990258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116869871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236628 + ... + 245410.

It is an arithmetic number, because the mean of its divisors is an integer number (273797280).

Almost surely, 2^2116869877 is an apocalyptic number.

It is an amenable number.

2116869877 is a deficient number, since it is larger than the sum of its proper divisors (73508363).

2116869877 is an equidigital number, since it uses as much as digits as its factorization.

2116869877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17123.

The product of its digits is 2032128, while the sum is 55.

The square root of 2116869877 is about 46009.4542132375. The cubic root of 2116869877 is about 1283.9991049269. Note that the first 3 decimals are identical.

The spelling of 2116869877 in words is "two billion, one hundred sixteen million, eight hundred sixty-nine thousand, eight hundred seventy-seven".