308963982856 has 16 divisors (see below), whose sum is σ = 579397784940. Its totient is φ = 154457906880.

The previous prime is 308963982853. The next prime is 308963982889. The reversal of 308963982856 is 658289369803.

It can be written as a sum of positive squares in 2 ways, for example, as 307060056900 + 1903925956 = 554130^2 + 43634^2 .

It is a junction number, because it is equal to n+sod(n) for n = 308963982791 and 308963982800.

It is not an unprimeable number, because it can be changed into a prime (308963982853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2955991 + ... + 3058726.

Almost surely, 2^308963982856 is an apocalyptic number.

It is an amenable number.

308963982856 is a deficient number, since it is larger than the sum of its proper divisors (270433802084).

308963982856 is a wasteful number, since it uses less digits than its factorization.

308963982856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6021144 (or 6021140 counting only the distinct ones).

The product of its (nonzero) digits is 134369280, while the sum is 67.

The spelling of 308963982856 in words is "three hundred eight billion, nine hundred sixty-three million, nine hundred eighty-two thousand, eight hundred fifty-six".