2687691060 has 72 divisors (see below), whose sum is σ = 8250933600. Its totient is φ = 708078528.

The previous prime is 2687691043. The next prime is 2687691067. The reversal of 2687691060 is 601967862.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 2687690997 and 2687691015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2687691067) 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 23 ways as a sum of consecutive naturals, for example, 75010 + ... + 104889.

It is an arithmetic number, because the mean of its divisors is an integer number (114596300).

Almost surely, 2^2687691060 is an apocalyptic number.

2687691060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2687691060 is an abundant number, since it is smaller than the sum of its proper divisors (5563242540).

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

2687691060 is a wasteful number, since it uses less digits than its factorization.

2687691060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179997 (or 179992 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 2687691060 is about 51842.9460968414. The cubic root of 2687691060 is about 1390.3573878744.

The spelling of 2687691060 in words is "two billion, six hundred eighty-seven million, six hundred ninety-one thousand, sixty".