2775016668 has 12 divisors (see below), whose sum is σ = 6475038920. Its totient is φ = 925005552.

The previous prime is 2775016667. The next prime is 2775016669. The reversal of 2775016668 is 8666105772.

It is an interprime number because it is at equal distance from previous prime (2775016667) and next prime (2775016669).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2775016667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115625683 + ... + 115625706.

Almost surely, 2^2775016668 is an apocalyptic number.

It is an amenable number.

2775016668 is an abundant number, since it is smaller than the sum of its proper divisors (3700022252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2775016668 is a wasteful number, since it uses less digits than its factorization.

2775016668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231251396 (or 231251394 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The square root of 2775016668 is about 52678.4269696809. The cubic root of 2775016668 is about 1405.2551923927.

The spelling of 2775016668 in words is "two billion, seven hundred seventy-five million, sixteen thousand, six hundred sixty-eight".