2687231798 has 8 divisors (see below), whose sum is σ = 4039948008. Its totient is φ = 1340582464.

The previous prime is 2687231797. The next prime is 2687231801. The reversal of 2687231798 is 8971327862.

2687231798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2687231797) 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, 1515611 + ... + 1517382.

It is an arithmetic number, because the mean of its divisors is an integer number (504993501).

Almost surely, 2^2687231798 is an apocalyptic number.

2687231798 is a deficient number, since it is larger than the sum of its proper divisors (1352716210).

2687231798 is a wasteful number, since it uses less digits than its factorization.

2687231798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033438.

The product of its digits is 2032128, while the sum is 53.

The square root of 2687231798 is about 51838.5165489909. The cubic root of 2687231798 is about 1390.2781904426.

The spelling of 2687231798 in words is "two billion, six hundred eighty-seven million, two hundred thirty-one thousand, seven hundred ninety-eight".