69057797 has 2 divisors, whose sum is σ = 69057798. Its totient is φ = 69057796.

The previous prime is 69057763. The next prime is 69057809. The reversal of 69057797 is 79775096.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36954241 + 32103556 = 6079^2 + 5666^2 .

It is a cyclic number.

It is not a de Polignac number, because 69057797 - 2⁶ = 69057733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69057997) 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, 34528898 + 34528899.

It is an arithmetic number, because the mean of its divisors is an integer number (34528899).

Almost surely, 2^69057797 is an apocalyptic number.

It is an amenable number.

69057797 is a deficient number, since it is larger than the sum of its proper divisors (1).

69057797 is an equidigital number, since it uses as much as digits as its factorization.

69057797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 833490, while the sum is 50.

The square root of 69057797 is about 8310.1021052692. The cubic root of 69057797 is about 410.2710818819.

The spelling of 69057797 in words is "sixty-nine million, fifty-seven thousand, seven hundred ninety-seven".