8997566007 has 8 divisors (see below), whose sum is σ = 12002675440. Its totient is φ = 5995416960.

The previous prime is 8997565999. The next prime is 8997566099. The reversal of 8997566007 is 7006657998.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8997566007 - 2³ = 8997565999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8997566107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 732994 + ... + 745167.

It is an arithmetic number, because the mean of its divisors is an integer number (1500334430).

Almost surely, 2^8997566007 is an apocalyptic number.

8997566007 is a deficient number, since it is larger than the sum of its proper divisors (3005109433).

8997566007 is a wasteful number, since it uses less digits than its factorization.

8997566007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480193.

The product of its (nonzero) digits is 5715360, while the sum is 57.

The square root of 8997566007 is about 94855.5006681215. The cubic root of 8997566007 is about 2079.8962909799.

The spelling of 8997566007 in words is "eight billion, nine hundred ninety-seven million, five hundred sixty-six thousand, seven".