2788970722 has 8 divisors (see below), whose sum is σ = 4183694172. Its totient is φ = 1394406000.

The previous prime is 2788970713. The next prime is 2788970761. The reversal of 2788970722 is 2270798872.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2720561281 + 68409441 = 52159^2 + 8271^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2788970722.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25972 + ... + 79072.

Almost surely, 2^2788970722 is an apocalyptic number.

2788970722 is a deficient number, since it is larger than the sum of its proper divisors (1394723450).

2788970722 is a wasteful number, since it uses less digits than its factorization.

2788970722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79364.

The product of its (nonzero) digits is 1580544, while the sum is 52.

The square root of 2788970722 is about 52810.7065091919. The cubic root of 2788970722 is about 1407.6066774473.

The spelling of 2788970722 in words is "two billion, seven hundred eighty-eight million, nine hundred seventy thousand, seven hundred twenty-two".