9947358372 has 48 divisors (see below), whose sum is σ = 26531487360. Its totient is φ = 2841545472.

The previous prime is 9947358367. The next prime is 9947358409. The reversal of 9947358372 is 2738537499.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 628654 + ... + 644282.

It is an arithmetic number, because the mean of its divisors is an integer number (552739320).

Almost surely, 2^9947358372 is an apocalyptic number.

It is an amenable number.

9947358372 is an abundant number, since it is smaller than the sum of its proper divisors (16584128988).

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

9947358372 is a wasteful number, since it uses less digits than its factorization.

9947358372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23220 (or 23218 counting only the distinct ones).

The product of its digits is 11430720, while the sum is 57.

The square root of 9947358372 is about 99736.4445526308. Note that the first 3 decimals coincide. The cubic root of 9947358372 is about 2150.6476053107.

It can be divided in two parts, 994 and 7358372, that added together give a triangular number (7359366 = T₃₈₃₆).

The spelling of 9947358372 in words is "nine billion, nine hundred forty-seven million, three hundred fifty-eight thousand, three hundred seventy-two".