1780828612 has 12 divisors (see below), whose sum is σ = 3118990336. Its totient is φ = 889688520.

The previous prime is 1780828579. The next prime is 1780828619. The reversal of 1780828612 is 2168280871.

It is not an unprimeable number, because it can be changed into a prime (1780828619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175908 + ... + 185755.

Almost surely, 2^1780828612 is an apocalyptic number.

It is an amenable number.

1780828612 is a deficient number, since it is larger than the sum of its proper divisors (1338161724).

1780828612 is a wasteful number, since it uses less digits than its factorization.

1780828612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362898 (or 362896 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 43.

The square root of 1780828612 is about 42199.8650708743. The cubic root of 1780828612 is about 1212.1062992448.

The spelling of 1780828612 in words is "one billion, seven hundred eighty million, eight hundred twenty-eight thousand, six hundred twelve".