8997562117 has 8 divisors (see below), whose sum is σ = 9128367360. Its totient is φ = 8866870320.

The previous prime is 8997562031. The next prime is 8997562121. The reversal of 8997562117 is 7112657998.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8997562117 is a prime.

It is a super-2 number, since 2×8997562117² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8997262117) 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, 138484 + ... + 192802.

It is an arithmetic number, because the mean of its divisors is an integer number (1141045920).

Almost surely, 2^8997562117 is an apocalyptic number.

It is an amenable number.

8997562117 is a deficient number, since it is larger than the sum of its proper divisors (130805243).

8997562117 is a wasteful number, since it uses less digits than its factorization.

8997562117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56723.

The product of its digits is 1905120, while the sum is 55.

The square root of 8997562117 is about 94855.4801632462. The cubic root of 8997562117 is about 2079.8959912397.

The spelling of 8997562117 in words is "eight billion, nine hundred ninety-seven million, five hundred sixty-two thousand, one hundred seventeen".