2687279004 has 60 divisors (see below), whose sum is σ = 7038522568. Its totient is φ = 894045600.

The previous prime is 2687278973. The next prime is 2687279011. The reversal of 2687279004 is 4009727862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 167619 + ... + 182949.

Almost surely, 2^2687279004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2687279004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3519261284).

2687279004 is an abundant number, since it is smaller than the sum of its proper divisors (4351243564).

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

2687279004 is a wasteful number, since it uses less digits than its factorization.

2687279004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15888 (or 15877 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 2687279004 is about 51838.9718648046. The cubic root of 2687279004 is about 1390.2863312970.

The spelling of 2687279004 in words is "two billion, six hundred eighty-seven million, two hundred seventy-nine thousand, four".