2687005007 has 4 divisors (see below), whose sum is σ = 2690536656. Its totient is φ = 2683473360.

The previous prime is 2687005001. The next prime is 2687005037. The reversal of 2687005007 is 7005007862.

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 2687005007 - 2²⁰ = 2685956431 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 (2687005001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1764683 + ... + 1766204.

It is an arithmetic number, because the mean of its divisors is an integer number (672634164).

Almost surely, 2^2687005007 is an apocalyptic number.

2687005007 is a deficient number, since it is larger than the sum of its proper divisors (3531649).

2687005007 is an equidigital number, since it uses as much as digits as its factorization.

2687005007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3531648.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 2687005007 is about 51836.3290270443. The cubic root of 2687005007 is about 1390.2390781423.

The spelling of 2687005007 in words is "two billion, six hundred eighty-seven million, five thousand, seven".