9007028868 has 12 divisors (see below), whose sum is σ = 21016400720. Its totient is φ = 3002342952.

The previous prime is 9007028857. The next prime is 9007028897. The reversal of 9007028868 is 8688207009.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×9007028868² (a number of 21 digits) contains 22 as substring.

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, 375292858 + ... + 375292881.

Almost surely, 2^9007028868 is an apocalyptic number.

It is an amenable number.

9007028868 is an abundant number, since it is smaller than the sum of its proper divisors (12009371852).

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

9007028868 is a wasteful number, since it uses less digits than its factorization.

9007028868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750585746 (or 750585744 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 9007028868 is about 94905.3679619862. The cubic root of 9007028868 is about 2080.6251871299.

The spelling of 9007028868 in words is "nine billion, seven million, twenty-eight thousand, eight hundred sixty-eight".