1290077830828 has 12 divisors (see below), whose sum is σ = 2263439898720. Its totient is φ = 643380716912.

The previous prime is 1290077830801. The next prime is 1290077830843. The reversal of 1290077830828 is 8280387700921.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414547876 + ... + 414550987.

It is an arithmetic number, because the mean of its divisors is an integer number (188619991560).

Almost surely, 2^{1290077830828} is an apocalyptic number.

It is an amenable number.

1290077830828 is a deficient number, since it is larger than the sum of its proper divisors (973362067892).

1290077830828 is a wasteful number, since it uses less digits than its factorization.

1290077830828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829099256 (or 829099254 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 55.

The spelling of 1290077830828 in words is "one trillion, two hundred ninety billion, seventy-seven million, eight hundred thirty thousand, eight hundred twenty-eight".