69868985 has 16 divisors (see below), whose sum is σ = 89328960. Its totient is φ = 52309440.

The previous prime is 69868969. The next prime is 69868993. The reversal of 69868985 is 58986896.

It is not a de Polignac number, because 69868985 - 2⁴ = 69868969 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 3455 + ... + 12315.

It is an arithmetic number, because the mean of its divisors is an integer number (5583060).

Almost surely, 2^69868985 is an apocalyptic number.

It is an amenable number.

69868985 is a deficient number, since it is larger than the sum of its proper divisors (19459975).

69868985 is a wasteful number, since it uses less digits than its factorization.

69868985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8968.

The product of its digits is 7464960, while the sum is 59.

The square root of 69868985 is about 8358.7669545215. The cubic root of 69868985 is about 411.8712502623.

The spelling of 69868985 in words is "sixty-nine million, eight hundred sixty-eight thousand, nine hundred eighty-five".