2788234986 has 16 divisors (see below), whose sum is σ = 5768762400. Its totient is φ = 897362928.

The previous prime is 2788234979. The next prime is 2788234993. The reversal of 2788234986 is 6894328872.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2788234979) and next prime (2788234993).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8011996 + ... + 8012343.

It is an arithmetic number, because the mean of its divisors is an integer number (360547650).

Almost surely, 2^2788234986 is an apocalyptic number.

2788234986 is an abundant number, since it is smaller than the sum of its proper divisors (2980527414).

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

2788234986 is a wasteful number, since it uses less digits than its factorization.

2788234986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16024373.

The product of its digits is 9289728, while the sum is 57.

The square root of 2788234986 is about 52803.7402652502. The cubic root of 2788234986 is about 1407.4828900852.

The spelling of 2788234986 in words is "two billion, seven hundred eighty-eight million, two hundred thirty-four thousand, nine hundred eighty-six".