9278125089 has 16 divisors (see below), whose sum is σ = 12917612544. Its totient is φ = 5912398800.

The previous prime is 9278125057. The next prime is 9278125141. The reversal of 9278125089 is 9805218729.

It is not a de Polignac number, because 9278125089 - 2⁵ = 9278125057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9278125789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55794 + ... + 147204.

It is an arithmetic number, because the mean of its divisors is an integer number (807350784).

Almost surely, 2^9278125089 is an apocalyptic number.

It is an amenable number.

9278125089 is a deficient number, since it is larger than the sum of its proper divisors (3639487455).

9278125089 is a wasteful number, since it uses less digits than its factorization.

9278125089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92908.

The product of its (nonzero) digits is 725760, while the sum is 51.

The square root of 9278125089 is about 96323.0247085296. The cubic root of 9278125089 is about 2101.2936163373.

The spelling of 9278125089 in words is "nine billion, two hundred seventy-eight million, one hundred twenty-five thousand, eighty-nine".