2881679771 has 4 divisors (see below), whose sum is σ = 2899358952. Its totient is φ = 2864000592.

The previous prime is 2881679693. The next prime is 2881679777. The reversal of 2881679771 is 1779761882.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2881679771 is a prime.

It is a super-2 number, since 2×2881679771² = 16608156605181224882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2881679777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8839346 + ... + 8839671.

It is an arithmetic number, because the mean of its divisors is an integer number (724839738).

Almost surely, 2^2881679771 is an apocalyptic number.

2881679771 is a deficient number, since it is larger than the sum of its proper divisors (17679181).

2881679771 is a wasteful number, since it uses less digits than its factorization.

2881679771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17679180.

The product of its digits is 2370816, while the sum is 56.

The square root of 2881679771 is about 53681.2795208907. The cubic root of 2881679771 is about 1423.0338775829.

The spelling of 2881679771 in words is "two billion, eight hundred eighty-one million, six hundred seventy-nine thousand, seven hundred seventy-one".