2790881155 has 8 divisors (see below), whose sum is σ = 3412247472. Its totient is φ = 2190578208.

The previous prime is 2790881087. The next prime is 2790881161. The reversal of 2790881155 is 5511880972.

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 2790881155 - 2¹¹ = 2790879107 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5265549 + ... + 5266078.

It is an arithmetic number, because the mean of its divisors is an integer number (426530934).

Almost surely, 2^2790881155 is an apocalyptic number.

2790881155 is a deficient number, since it is larger than the sum of its proper divisors (621366317).

2790881155 is a wasteful number, since it uses less digits than its factorization.

2790881155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10531685.

The product of its (nonzero) digits is 201600, while the sum is 46.

The square root of 2790881155 is about 52828.7909666689. The cubic root of 2790881155 is about 1407.9280056042.

The spelling of 2790881155 in words is "two billion, seven hundred ninety million, eight hundred eighty-one thousand, one hundred fifty-five".