2780828468 has 24 divisors (see below), whose sum is σ = 5325841920. Its totient is φ = 1259968320.

The previous prime is 2780828437. The next prime is 2780828471. The reversal of 2780828468 is 8648280872.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87188 + ... + 114731.

It is an arithmetic number, because the mean of its divisors is an integer number (221910080).

Almost surely, 2^2780828468 is an apocalyptic number.

It is an amenable number.

2780828468 is a deficient number, since it is larger than the sum of its proper divisors (2545013452).

2780828468 is a wasteful number, since it uses less digits than its factorization.

2780828468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202247 (or 202245 counting only the distinct ones).

The product of its (nonzero) digits is 2752512, while the sum is 53.

The square root of 2780828468 is about 52733.5611162379. The cubic root of 2780828468 is about 1406.2355309181.

The spelling of 2780828468 in words is "two billion, seven hundred eighty million, eight hundred twenty-eight thousand, four hundred sixty-eight".