2807213328 has 80 divisors (see below), whose sum is σ = 8069275200. Its totient is φ = 934398720.

The previous prime is 2807213327. The next prime is 2807213329. The reversal of 2807213328 is 8233127082.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2807213327) and next prime (2807213329).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2807213292 and 2807213301.

It is not an unprimeable number, because it can be changed into a prime (2807213327) 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, 324483 + ... + 333021.

It is an arithmetic number, because the mean of its divisors is an integer number (100865940).

Almost surely, 2^2807213328 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 2807213328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4034637600).

2807213328 is an abundant number, since it is smaller than the sum of its proper divisors (5262061872).

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

2807213328 is a wasteful number, since it uses less digits than its factorization.

2807213328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9317 (or 9305 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 2807213328 is about 52983.1419226908. The cubic root of 2807213328 is about 1410.6690532361.

The spelling of 2807213328 in words is "two billion, eight hundred seven million, two hundred thirteen thousand, three hundred twenty-eight".