60669857 has 2 divisors, whose sum is σ = 60669858. Its totient is φ = 60669856.

The previous prime is 60669853. The next prime is 60669863. The reversal of 60669857 is 75896606.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56685841 + 3984016 = 7529^2 + 1996^2 .

It is a cyclic number.

It is not a de Polignac number, because 60669857 - 2² = 60669853 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (60669853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30334928 + 30334929.

It is an arithmetic number, because the mean of its divisors is an integer number (30334929).

Almost surely, 2^60669857 is an apocalyptic number.

It is an amenable number.

60669857 is a deficient number, since it is larger than the sum of its proper divisors (1).

60669857 is an equidigital number, since it uses as much as digits as its factorization.

60669857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 60669857 is about 7789.0857614999. The cubic root of 60669857 is about 392.9382655049.

The spelling of 60669857 in words is "sixty million, six hundred sixty-nine thousand, eight hundred fifty-seven".