2780233346 has 32 divisors (see below), whose sum is σ = 4820679360. Its totient is φ = 1188518400.

The previous prime is 2780233319. The next prime is 2780233361. The reversal of 2780233346 is 6433320872.

It is a Curzon 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, 851465 + ... + 854723.

It is an arithmetic number, because the mean of its divisors is an integer number (150646230).

Almost surely, 2^2780233346 is an apocalyptic number.

2780233346 is a deficient number, since it is larger than the sum of its proper divisors (2040446014).

2780233346 is a wasteful number, since it uses less digits than its factorization.

2780233346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5570.

The product of its (nonzero) digits is 145152, while the sum is 38.

The square root of 2780233346 is about 52727.9180889972. The cubic root of 2780233346 is about 1406.1352081284.

The spelling of 2780233346 in words is "two billion, seven hundred eighty million, two hundred thirty-three thousand, three hundred forty-six".