85402686 has 8 divisors (see below), whose sum is σ = 170805384. Its totient is φ = 28467560.

The previous prime is 85402673. The next prime is 85402711. The reversal of 85402686 is 68620458.

It is a sphenic number, since it is the product of 3 distinct primes.

85402686 is an admirable number.

It is a Curzon number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 7116885 + ... + 7116896.

It is an arithmetic number, because the mean of its divisors is an integer number (21350673).

Almost surely, 2^85402686 is an apocalyptic number.

85402686 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85402686 is a wasteful number, since it uses less digits than its factorization.

85402686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14233786.

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 85402686 is about 9241.3573678329. The cubic root of 85402686 is about 440.3762037330.

The spelling of 85402686 in words is "eighty-five million, four hundred two thousand, six hundred eighty-six".