2686228767 has 6 divisors (see below), whose sum is σ = 3880108232. Its totient is φ = 1790819172.

The previous prime is 2686228747. The next prime is 2686228781. The reversal of 2686228767 is 7678226862.

2686228767 is a `hidden beast` number, since 2 + 6 + 8 + 622 + 8 + 7 + 6 + 7 = 666.

It is not a de Polignac number, because 2686228767 - 2⁷ = 2686228639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2686228747) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 149234923 + ... + 149234940.

Almost surely, 2^2686228767 is an apocalyptic number.

2686228767 is a deficient number, since it is larger than the sum of its proper divisors (1193879465).

2686228767 is a wasteful number, since it uses less digits than its factorization.

2686228767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298469869 (or 298469866 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The square root of 2686228767 is about 51828.8410732866. The cubic root of 2686228767 is about 1390.1051913905.

The spelling of 2686228767 in words is "two billion, six hundred eighty-six million, two hundred twenty-eight thousand, seven hundred sixty-seven".