2770881 has 8 divisors (see below), whose sum is σ = 3911904. Its totient is φ = 1738560.

The previous prime is 2770849. The next prime is 2770883. The reversal of 2770881 is 1880772.

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

It is not a de Polignac number, because 2770881 - 2⁵ = 2770849 is a prime.

It is a super-2 number, since 2×2770881² = 15355563032322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2770883) 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, 27115 + ... + 27216.

It is an arithmetic number, because the mean of its divisors is an integer number (488988).

2^2770881 is an apocalyptic number.

It is an amenable number.

2770881 is a deficient number, since it is larger than the sum of its proper divisors (1141023).

2770881 is a wasteful number, since it uses less digits than its factorization.

2770881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54351.

The product of its (nonzero) digits is 6272, while the sum is 33.

The square root of 2770881 is about 1664.5963474669. The cubic root of 2770881 is about 140.4556751133.

The spelling of 2770881 in words is "two million, seven hundred seventy thousand, eight hundred eighty-one".