2687939790 has 32 divisors (see below), whose sum is σ = 6478064640. Its totient is φ = 713782944.

The previous prime is 2687939783. The next prime is 2687939803. The reversal of 2687939790 is 979397862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180274 + ... + 194613.

It is an arithmetic number, because the mean of its divisors is an integer number (202439520).

Almost surely, 2^2687939790 is an apocalyptic number.

2687939790 is an abundant number, since it is smaller than the sum of its proper divisors (3790124850).

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

2687939790 is a wasteful number, since it uses less digits than its factorization.

2687939790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375136.

The product of its (nonzero) digits is 10287648, while the sum is 60.

The square root of 2687939790 is about 51845.3449212174. The cubic root of 2687939790 is about 1390.4002763511.

The spelling of 2687939790 in words is "two billion, six hundred eighty-seven million, nine hundred thirty-nine thousand, seven hundred ninety".