9278004321 has 12 divisors (see below), whose sum is σ = 13402409748. Its totient is φ = 6184944864.

The previous prime is 9278004319. The next prime is 9278004331. The reversal of 9278004321 is 1234008729.

It can be written as a sum of positive squares in 2 ways, for example, as 7798832721 + 1479171600 = 88311^2 + 38460^2 .

It is not a de Polignac number, because 9278004321 - 2¹ = 9278004319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9278004331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 222871 + ... + 261203.

It is an arithmetic number, because the mean of its divisors is an integer number (1116867479).

Almost surely, 2^9278004321 is an apocalyptic number.

It is an amenable number.

9278004321 is a deficient number, since it is larger than the sum of its proper divisors (4124405427).

9278004321 is a wasteful number, since it uses less digits than its factorization.

9278004321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65232 (or 65229 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 9278004321 is about 96322.3978158767. The cubic root of 9278004321 is about 2101.2844991890.

The spelling of 9278004321 in words is "nine billion, two hundred seventy-eight million, four thousand, three hundred twenty-one".