8445958968 has 16 divisors (see below), whose sum is σ = 21114897480. Its totient is φ = 2815319648.

The previous prime is 8445958949. The next prime is 8445958979. The reversal of 8445958968 is 8698595448.

It is a junction number, because it is equal to n+sod(n) for n = 8445958899 and 8445958908.

It is a congruent number.

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, 175957455 + ... + 175957502.

Almost surely, 2^8445958968 is an apocalyptic number.

It is an amenable number.

8445958968 is an abundant number, since it is smaller than the sum of its proper divisors (12668938512).

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

8445958968 is a wasteful number, since it uses less digits than its factorization.

8445958968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351914966 (or 351914962 counting only the distinct ones).

The product of its digits is 99532800, while the sum is 66.

The square root of 8445958968 is about 91901.8986093323. The cubic root of 8445958968 is about 2036.4933162338.

The spelling of 8445958968 in words is "eight billion, four hundred forty-five million, nine hundred fifty-eight thousand, nine hundred sixty-eight".