69680899 has 2 divisors, whose sum is σ = 69680900. Its totient is φ = 69680898.

The previous prime is 69680867. The next prime is 69680903. The reversal of 69680899 is 99808696.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 69680899 - 2⁵ = 69680867 is a prime.

It is not a weakly prime, because it can be changed into another prime (69680599) 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, 34840449 + 34840450.

It is an arithmetic number, because the mean of its divisors is an integer number (34840450).

Almost surely, 2^69680899 is an apocalyptic number.

69680899 is a deficient number, since it is larger than the sum of its proper divisors (1).

69680899 is an equidigital number, since it uses as much as digits as its factorization.

69680899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1679616, while the sum is 55.

The square root of 69680899 is about 8347.5085504598. The cubic root of 69680899 is about 411.5013348959.

The spelling of 69680899 in words is "sixty-nine million, six hundred eighty thousand, eight hundred ninety-nine".