69996889 has 8 divisors (see below), whose sum is σ = 73130112. Its totient is φ = 66871200.

The previous prime is 69996887. The next prime is 69996911. The reversal of 69996889 is 98869996.

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

It is a cyclic number.

It is not a de Polignac number, because 69996889 - 2¹ = 69996887 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 69996889.

It is not an unprimeable number, because it can be changed into a prime (69996887) 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, 26164 + ... + 28714.

It is an arithmetic number, because the mean of its divisors is an integer number (9141264).

Almost surely, 2^69996889 is an apocalyptic number.

It is an amenable number.

69996889 is a deficient number, since it is larger than the sum of its proper divisors (3133223).

69996889 is a wasteful number, since it uses less digits than its factorization.

69996889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767.

The product of its digits is 15116544, while the sum is 64.

The square root of 69996889 is about 8366.4143454648. The cubic root of 69996889 is about 412.1224245006.

The spelling of 69996889 in words is "sixty-nine million, nine hundred ninety-six thousand, eight hundred eighty-nine".