2877280 has 72 divisors (see below), whose sum is σ = 7928928. Its totient is φ = 983808.

The previous prime is 2877271. The next prime is 2877283. The reversal of 2877280 is 827782.

2877280 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

2877280 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2877283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7657 + ... + 8023.

It is an arithmetic number, because the mean of its divisors is an integer number (110124).

2^2877280 is an apocalyptic number.

2877280 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 2877280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3964464).

2877280 is an abundant number, since it is smaller than the sum of its proper divisors (5051648).

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

2877280 is a wasteful number, since it uses less digits than its factorization.

2877280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 2877280 is about 1696.2546978564. The cubic root of 2877280 is about 142.2309275632.

The spelling of 2877280 in words is "two million, eight hundred seventy-seven thousand, two hundred eighty".