9957905522 has 24 divisors (see below), whose sum is σ = 15627647280. Its totient is φ = 4758474600.

The previous prime is 9957905519. The next prime is 9957905549. The reversal of 9957905522 is 2255097599.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1540397 + ... + 1546847.

It is an arithmetic number, because the mean of its divisors is an integer number (651151970).

Almost surely, 2^9957905522 is an apocalyptic number.

9957905522 is a deficient number, since it is larger than the sum of its proper divisors (5669741758).

9957905522 is a wasteful number, since it uses less digits than its factorization.

9957905522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7958 (or 7935 counting only the distinct ones).

The product of its (nonzero) digits is 2551500, while the sum is 53.

The square root of 9957905522 is about 99789.3056494532. The cubic root of 9957905522 is about 2151.4074449179.

The spelling of 9957905522 in words is "nine billion, nine hundred fifty-seven million, nine hundred five thousand, five hundred twenty-two".