2776881 has 8 divisors (see below), whose sum is σ = 3754944. Its totient is φ = 1825040.

The previous prime is 2776871. The next prime is 2776883. The reversal of 2776881 is 1886772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2776881 - 2⁵ = 2776849 is a prime.

It is a super-2 number, since 2×2776881² = 15422136176322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2776883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6306 + ... + 6731.

It is an arithmetic number, because the mean of its divisors is an integer number (469368).

2^2776881 is an apocalyptic number.

It is an amenable number.

2776881 is a deficient number, since it is larger than the sum of its proper divisors (978063).

2776881 is a wasteful number, since it uses less digits than its factorization.

2776881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13111.

The product of its digits is 37632, while the sum is 39.

The square root of 2776881 is about 1666.3976116161. The cubic root of 2776881 is about 140.5569818220.

The spelling of 2776881 in words is "two million, seven hundred seventy-six thousand, eight hundred eighty-one".