69116427 has 12 divisors (see below), whose sum is σ = 99991944. Its totient is φ = 46005120.

The previous prime is 69116423. The next prime is 69116429. The reversal of 69116427 is 72461196.

69116427 is a `hidden beast` number, since 6 + 9 + 1 + 1 + 642 + 7 = 666.

It is not a de Polignac number, because 69116427 - 2² = 69116423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 69116391 and 69116400.

It is not an unprimeable number, because it can be changed into a prime (69116423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 352 + ... + 11762.

It is an arithmetic number, because the mean of its divisors is an integer number (8332662).

Almost surely, 2^69116427 is an apocalyptic number.

69116427 is a deficient number, since it is larger than the sum of its proper divisors (30875517).

69116427 is a wasteful number, since it uses less digits than its factorization.

69116427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12090 (or 12087 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 69116427 is about 8313.6289910003. The cubic root of 69116427 is about 410.3871556175.

The spelling of 69116427 in words is "sixty-nine million, one hundred sixteen thousand, four hundred twenty-seven".