85669798 has 16 divisors (see below), whose sum is σ = 130621680. Its totient is φ = 42134400.

The previous prime is 85669777. The next prime is 85669811. The reversal of 85669798 is 89796658.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36418 + ... + 38698.

It is an arithmetic number, because the mean of its divisors is an integer number (8163855).

Almost surely, 2^85669798 is an apocalyptic number.

85669798 is a deficient number, since it is larger than the sum of its proper divisors (44951882).

85669798 is a wasteful number, since it uses less digits than its factorization.

85669798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583.

The product of its digits is 6531840, while the sum is 58.

The square root of 85669798 is about 9255.7980747205. The cubic root of 85669798 is about 440.8348440511.

The spelling of 85669798 in words is "eighty-five million, six hundred sixty-nine thousand, seven hundred ninety-eight".