2816888920 has 64 divisors (see below), whose sum is σ = 6457514400. Its totient is φ = 1105582080.

The previous prime is 2816888917. The next prime is 2816888923. The reversal of 2816888920 is 298886182.

It is an interprime number because it is at equal distance from previous prime (2816888917) and next prime (2816888923).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2816888923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2069040 + ... + 2070400.

Almost surely, 2^2816888920 is an apocalyptic number.

2816888920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2816888920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3228757200).

2816888920 is an abundant number, since it is smaller than the sum of its proper divisors (3640625480).

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

2816888920 is a wasteful number, since it uses less digits than its factorization.

2816888920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308 (or 2304 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 52.

The square root of 2816888920 is about 53074.3715930768. The cubic root of 2816888920 is about 1412.2879073828.

The spelling of 2816888920 in words is "two billion, eight hundred sixteen million, eight hundred eighty-eight thousand, nine hundred twenty".