13082778993228 has 24 divisors (see below), whose sum is σ = 34887410648832. Its totient is φ = 3737936855184.

The previous prime is 13082778993199. The next prime is 13082778993233. The reversal of 13082778993228 is 82239987728031.

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, 77873684400 + ... + 77873684567.

It is an arithmetic number, because the mean of its divisors is an integer number (1453642110368).

Almost surely, 2^{13082778993228} is an apocalyptic number.

It is an amenable number.

13082778993228 is an abundant number, since it is smaller than the sum of its proper divisors (21804631655604).

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

13082778993228 is a wasteful number, since it uses less digits than its factorization.

13082778993228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155747368981 (or 155747368979 counting only the distinct ones).

The product of its (nonzero) digits is 146313216, while the sum is 69.

The spelling of 13082778993228 in words is "thirteen trillion, eighty-two billion, seven hundred seventy-eight million, nine hundred ninety-three thousand, two hundred twenty-eight".