2687675985 has 48 divisors (see below), whose sum is σ = 4892509440. Its totient is φ = 1415232000.

The previous prime is 2687675983. The next prime is 2687675987. The reversal of 2687675985 is 5895767862.

It is an interprime number because it is at equal distance from previous prime (2687675983) and next prime (2687675987).

It is not a de Polignac number, because 2687675985 - 2¹ = 2687675983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2687675983) 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 47 ways as a sum of consecutive naturals, for example, 81985 + ... + 109985.

It is an arithmetic number, because the mean of its divisors is an integer number (101927280).

Almost surely, 2^2687675985 is an apocalyptic number.

It is an amenable number.

2687675985 is a deficient number, since it is larger than the sum of its proper divisors (2204833455).

2687675985 is an equidigital number, since it uses as much as digits as its factorization.

2687675985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28100 (or 28088 counting only the distinct ones).

The product of its digits is 50803200, while the sum is 63.

The square root of 2687675985 is about 51842.8007055946. The cubic root of 2687675985 is about 1390.3547884094.

The spelling of 2687675985 in words is "two billion, six hundred eighty-seven million, six hundred seventy-five thousand, nine hundred eighty-five".