8971668069 has 32 divisors (see below), whose sum is σ = 14807917824. Its totient is φ = 4704929280.

The previous prime is 8971668061. The next prime is 8971668137. The reversal of 8971668069 is 9608661798.

It is not a de Polignac number, because 8971668069 - 2³ = 8971668061 is a prime.

It is a super-2 number, since 2×8971668069² (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 (8971668061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47752 + ... + 142209.

It is an arithmetic number, because the mean of its divisors is an integer number (462747432).

Almost surely, 2^8971668069 is an apocalyptic number.

It is an amenable number.

8971668069 is a deficient number, since it is larger than the sum of its proper divisors (5836249755).

8971668069 is a wasteful number, since it uses less digits than its factorization.

8971668069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190157.

The product of its (nonzero) digits is 7838208, while the sum is 60.

The square root of 8971668069 is about 94718.8897158323. The cubic root of 8971668069 is about 2077.8988326919.

The spelling of 8971668069 in words is "eight billion, nine hundred seventy-one million, six hundred sixty-eight thousand, sixty-nine".