8864400717 has 6 divisors (see below), whose sum is σ = 12804134382. Its totient is φ = 5909600472.

The previous prime is 8864400703. The next prime is 8864400719. The reversal of 8864400717 is 7170044688.

It can be written as a sum of positive squares in only one way, i.e., 8502868521 + 361532196 = 92211^2 + 19014^2 .

It is not a de Polignac number, because 8864400717 - 2¹⁰ = 8864399693 is a prime.

It is a super-2 number, since 2×8864400717² (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 (8864400719) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 492466698 + ... + 492466715.

It is an arithmetic number, because the mean of its divisors is an integer number (2134022397).

Almost surely, 2^8864400717 is an apocalyptic number.

It is an amenable number.

8864400717 is a deficient number, since it is larger than the sum of its proper divisors (3939733665).

8864400717 is a wasteful number, since it uses less digits than its factorization.

8864400717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984933419 (or 984933416 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 8864400717 is about 94150.9464477124. The cubic root of 8864400717 is about 2069.5843266728.

The spelling of 8864400717 in words is "eight billion, eight hundred sixty-four million, four hundred thousand, seven hundred seventeen".