2676806687 has 4 divisors (see below), whose sum is σ = 2685942840. Its totient is φ = 2667670536.

The previous prime is 2676806681. The next prime is 2676806707. The reversal of 2676806687 is 7866086762.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2676806687 - 2⁶ = 2676806623 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 (2676806681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4567637 + ... + 4568222.

It is an arithmetic number, because the mean of its divisors is an integer number (671485710).

Almost surely, 2^2676806687 is an apocalyptic number.

2676806687 is a deficient number, since it is larger than the sum of its proper divisors (9136153).

2676806687 is an equidigital number, since it uses as much as digits as its factorization.

2676806687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9136152.

The product of its (nonzero) digits is 8128512, while the sum is 56.

The square root of 2676806687 is about 51737.8651183058. The cubic root of 2676806687 is about 1388.4779998941.

The spelling of 2676806687 in words is "two billion, six hundred seventy-six million, eight hundred six thousand, six hundred eighty-seven".