2801780113 has 8 divisors (see below), whose sum is σ = 3059824320. Its totient is φ = 2544292080.

The previous prime is 2801780099. The next prime is 2801780117. The reversal of 2801780113 is 3110871082.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-2801780113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2801780117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128470 + ... + 148687.

It is an arithmetic number, because the mean of its divisors is an integer number (382478040).

Almost surely, 2^2801780113 is an apocalyptic number.

It is an amenable number.

2801780113 is a deficient number, since it is larger than the sum of its proper divisors (258044207).

2801780113 is a wasteful number, since it uses less digits than its factorization.

2801780113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278087.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 2801780113 is about 52931.8440355142. The cubic root of 2801780113 is about 1409.7583733300.

The spelling of 2801780113 in words is "two billion, eight hundred one million, seven hundred eighty thousand, one hundred thirteen".