2780335105 has 16 divisors (see below), whose sum is σ = 3485649024. Its totient is φ = 2125002880.

The previous prime is 2780335093. The next prime is 2780335121. The reversal of 2780335105 is 5015330872.

It is not a de Polignac number, because 2780335105 - 2¹⁵ = 2780302337 is a prime.

It is a super-2 number, since 2×2780335105² = 15460526592190722050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84450 + ... + 112660.

It is an arithmetic number, because the mean of its divisors is an integer number (217853064).

Almost surely, 2^2780335105 is an apocalyptic number.

It is an amenable number.

2780335105 is a deficient number, since it is larger than the sum of its proper divisors (705313919).

2780335105 is a wasteful number, since it uses less digits than its factorization.

2780335105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29096.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 2780335105 is about 52728.8830243919. The cubic root of 2780335105 is about 1406.1523631833.

Adding to 2780335105 its reverse (5015330872), we get a palindrome (7795665977).

The spelling of 2780335105 in words is "two billion, seven hundred eighty million, three hundred thirty-five thousand, one hundred five".