305891922873772 has 12 divisors (see below), whose sum is σ = 538268383621696. Its totient is φ = 152100956124720.

The previous prime is 305891922873707. The next prime is 305891922873787. The reversal of 305891922873772 is 277378229198503.

It is a junction number, because it is equal to n+sod(n) for n = 305891922873695 and 305891922873704.

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, 211251327228 + ... + 211251328675.

Almost surely, 2^{305891922873772} is an apocalyptic number.

It is an amenable number.

305891922873772 is a deficient number, since it is larger than the sum of its proper divisors (232376460747924).

305891922873772 is a wasteful number, since it uses less digits than its factorization.

305891922873772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422502656088 (or 422502656086 counting only the distinct ones).

The product of its (nonzero) digits is 640120320, while the sum is 73.

The spelling of 305891922873772 in words is "three hundred five trillion, eight hundred ninety-one billion, nine hundred twenty-two million, eight hundred seventy-three thousand, seven hundred seventy-two".