69112889 has 4 divisors (see below), whose sum is σ = 70583424. Its totient is φ = 67642356.

The previous prime is 69112847. The next prime is 69112909. The reversal of 69112889 is 98821196.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69112889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69102889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 735197 + ... + 735290.

It is an arithmetic number, because the mean of its divisors is an integer number (17645856).

Almost surely, 2^69112889 is an apocalyptic number.

It is an amenable number.

69112889 is a deficient number, since it is larger than the sum of its proper divisors (1470535).

69112889 is a wasteful number, since it uses less digits than its factorization.

69112889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470534.

The product of its digits is 62208, while the sum is 44.

The square root of 69112889 is about 8313.4162051470. The cubic root of 69112889 is about 410.3801530636.

The spelling of 69112889 in words is "sixty-nine million, one hundred twelve thousand, eight hundred eighty-nine".