69428759 has 2 divisors, whose sum is σ = 69428760. Its totient is φ = 69428758.

The previous prime is 69428707. The next prime is 69428791. The reversal of 69428759 is 95782496.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 69428759 - 2⁸ = 69428503 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69428959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34714379 + 34714380.

It is an arithmetic number, because the mean of its divisors is an integer number (34714380).

Almost surely, 2^69428759 is an apocalyptic number.

69428759 is a deficient number, since it is larger than the sum of its proper divisors (1).

69428759 is an equidigital number, since it uses as much as digits as its factorization.

69428759 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 50.

The square root of 69428759 is about 8332.3921535175. The cubic root of 69428759 is about 411.0043964855.

The spelling of 69428759 in words is "sixty-nine million, four hundred twenty-eight thousand, seven hundred fifty-nine".