2787876 has 144 divisors (see below), whose sum is σ = 9295104. Its totient is φ = 684288.

The previous prime is 2787859. The next prime is 2787907. The reversal of 2787876 is 6787872.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75330 + ... + 75366.

2^2787876 is an apocalyptic number.

2787876 is a gapful number since it is divisible by the number (26) 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 2787876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4647552).

2787876 is an abundant number, since it is smaller than the sum of its proper divisors (6507228).

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

2787876 is a wasteful number, since it uses less digits than its factorization.

2787876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 85 counting only the distinct ones).

The product of its digits is 263424, while the sum is 45.

The square root of 2787876 is about 1669.6933850261. The cubic root of 2787876 is about 140.7422482893.

It can be divided in two parts, 2787 and 876, that added together give a palindrome (3663).

The spelling of 2787876 in words is "two million, seven hundred eighty-seven thousand, eight hundred seventy-six".