69116387 has 4 divisors (see below), whose sum is σ = 69157440. Its totient is φ = 69075336.

The previous prime is 69116323. The next prime is 69116393. The reversal of 69116387 is 78361196.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 69116387 - 2⁶ = 69116323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69116087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17888 + ... + 21405.

It is an arithmetic number, because the mean of its divisors is an integer number (17289360).

Almost surely, 2^69116387 is an apocalyptic number.

69116387 is a deficient number, since it is larger than the sum of its proper divisors (41053).

69116387 is a wasteful number, since it uses less digits than its factorization.

69116387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41052.

The product of its digits is 54432, while the sum is 41.

The square root of 69116387 is about 8313.6265853116. The cubic root of 69116387 is about 410.3870764492.

The spelling of 69116387 in words is "sixty-nine million, one hundred sixteen thousand, three hundred eighty-seven".