2780533578 has 16 divisors (see below), whose sum is σ = 5561591040. Its totient is φ = 926757216.

The previous prime is 2780533519. The next prime is 2780533589. The reversal of 2780533578 is 8753350872.

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, 96583 + ... + 122021.

It is an arithmetic number, because the mean of its divisors is an integer number (347599440).

Almost surely, 2^2780533578 is an apocalyptic number.

2780533578 is an abundant number, since it is smaller than the sum of its proper divisors (2781057462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2780533578 is a wasteful number, since it uses less digits than its factorization.

2780533578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43661.

The product of its (nonzero) digits is 1411200, while the sum is 48.

The square root of 2780533578 is about 52730.7650048812. The cubic root of 2780533578 is about 1406.1858215767.

The spelling of 2780533578 in words is "two billion, seven hundred eighty million, five hundred thirty-three thousand, five hundred seventy-eight".