9547728248 has 32 divisors (see below), whose sum is σ = 18249980400. Its totient is φ = 4681168128.

The previous prime is 9547728227. The next prime is 9547728251. The reversal of 9547728248 is 8428277459.

It is a super-2 number, since 2×9547728248² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9547728193 and 9547728202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 907643 + ... + 918101.

Almost surely, 2^9547728248 is an apocalyptic number.

It is an amenable number.

9547728248 is a deficient number, since it is larger than the sum of its proper divisors (8702252152).

9547728248 is a wasteful number, since it uses less digits than its factorization.

9547728248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12671 (or 12667 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 56.

The square root of 9547728248 is about 97712.4774427504. The cubic root of 9547728248 is about 2121.4526835983.

The spelling of 9547728248 in words is "nine billion, five hundred forty-seven million, seven hundred twenty-eight thousand, two hundred forty-eight".