9007547992 has 8 divisors (see below), whose sum is σ = 16889152500. Its totient is φ = 4503773992.

The previous prime is 9007547951. The next prime is 9007547993. The reversal of 9007547992 is 2997457009.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×9007547992² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9007547993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562971742 + ... + 562971757.

Almost surely, 2^9007547992 is an apocalyptic number.

It is an amenable number.

9007547992 is a deficient number, since it is larger than the sum of its proper divisors (7881604508).

9007547992 is a wasteful number, since it uses less digits than its factorization.

9007547992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125943505 (or 1125943501 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 52.

The square root of 9007547992 is about 94908.1028785214. The cubic root of 9007547992 is about 2080.6651589391.

The spelling of 9007547992 in words is "nine billion, seven million, five hundred forty-seven thousand, nine hundred ninety-two".