69434887 has 2 divisors, whose sum is σ = 69434888. Its totient is φ = 69434886.

The previous prime is 69434879. The next prime is 69434909. The reversal of 69434887 is 78843496.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 69434887 - 2³ = 69434879 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 69434887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69434857) 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 as a sum of consecutive naturals, namely, 34717443 + 34717444.

It is an arithmetic number, because the mean of its divisors is an integer number (34717444).

Almost surely, 2^69434887 is an apocalyptic number.

69434887 is a deficient number, since it is larger than the sum of its proper divisors (1).

69434887 is an equidigital number, since it uses as much as digits as its factorization.

69434887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 49.

The square root of 69434887 is about 8332.7598669348. The cubic root of 69434887 is about 411.0164883087.

The spelling of 69434887 in words is "sixty-nine million, four hundred thirty-four thousand, eight hundred eighty-seven".