2117054767 has 2 divisors, whose sum is σ = 2117054768. Its totient is φ = 2117054766.

The previous prime is 2117054743. The next prime is 2117054773. The reversal of 2117054767 is 7674507112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2117054767 - 2¹⁵ = 2117021999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2117054707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1058527383 + 1058527384.

It is an arithmetic number, because the mean of its divisors is an integer number (1058527384).

Almost surely, 2^2117054767 is an apocalyptic number.

2117054767 is a deficient number, since it is larger than the sum of its proper divisors (1).

2117054767 is an equidigital number, since it uses as much as digits as its factorization.

2117054767 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82320, while the sum is 40.

The square root of 2117054767 is about 46011.4634303235. The cubic root of 2117054767 is about 1284.0364858552.

The spelling of 2117054767 in words is "two billion, one hundred seventeen million, fifty-four thousand, seven hundred sixty-seven".