2117076771 has 8 divisors (see below), whose sum is σ = 2825884864. Its totient is φ = 1409826600.

The previous prime is 2117076751. The next prime is 2117076847. The reversal of 2117076771 is 1776707112.

It is a happy number.

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

It is not a de Polignac number, because 2117076771 - 2⁹ = 2117076259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2117076751) 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, 386305 + ... + 391746.

It is an arithmetic number, because the mean of its divisors is an integer number (353235608).

Almost surely, 2^2117076771 is an apocalyptic number.

2117076771 is a deficient number, since it is larger than the sum of its proper divisors (708808093).

2117076771 is an equidigital number, since it uses as much as digits as its factorization.

2117076771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778961.

The product of its (nonzero) digits is 28812, while the sum is 39.

The square root of 2117076771 is about 46011.7025440268. The cubic root of 2117076771 is about 1284.0409344633.

The spelling of 2117076771 in words is "two billion, one hundred seventeen million, seventy-six thousand, seven hundred seventy-one".