9549978248 has 16 divisors (see below), whose sum is σ = 18090810780. Its totient is φ = 4725762048.

The previous prime is 9549978167. The next prime is 9549978253. The reversal of 9549978248 is 8428799459.

It can be written as a sum of positive squares in 2 ways, for example, as 9548807524 + 1170724 = 97718^2 + 1082^2 .

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, 6152561 + ... + 6154112.

Almost surely, 2^9549978248 is an apocalyptic number.

It is an amenable number.

9549978248 is a deficient number, since it is larger than the sum of its proper divisors (8540832532).

9549978248 is a wasteful number, since it uses less digits than its factorization.

9549978248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12306776 (or 12306772 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 65.

The square root of 9549978248 is about 97723.9901354831. The cubic root of 9549978248 is about 2121.6193163829.

The spelling of 9549978248 in words is "nine billion, five hundred forty-nine million, nine hundred seventy-eight thousand, two hundred forty-eight".