2116774767 has 32 divisors (see below), whose sum is σ = 2988048384. Its totient is φ = 1330927200.

The previous prime is 2116774763. The next prime is 2116774769. The reversal of 2116774767 is 7674776112.

It is not a de Polignac number, because 2116774767 - 2² = 2116774763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116774763) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1183648 + ... + 1185434.

It is an arithmetic number, because the mean of its divisors is an integer number (93376512).

Almost surely, 2^2116774767 is an apocalyptic number.

2116774767 is a deficient number, since it is larger than the sum of its proper divisors (871273617).

2116774767 is a wasteful number, since it uses less digits than its factorization.

2116774767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139.

The product of its digits is 691488, while the sum is 48.

The square root of 2116774767 is about 46008.4206097101. The cubic root of 2116774767 is about 1283.9798748071.

The spelling of 2116774767 in words is "two billion, one hundred sixteen million, seven hundred seventy-four thousand, seven hundred sixty-seven".