85624668 has 24 divisors (see below), whose sum is σ = 221990160. Its totient is φ = 28541520.

The previous prime is 85624657. The next prime is 85624673. The reversal of 85624668 is 86642658.

It is a super-2 number, since 2×85624668² = 14663167540220448, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 396303 + ... + 396518.

It is an arithmetic number, because the mean of its divisors is an integer number (9249590).

Almost surely, 2^85624668 is an apocalyptic number.

It is an amenable number.

85624668 is an abundant number, since it is smaller than the sum of its proper divisors (136365492).

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

85624668 is a wasteful number, since it uses less digits than its factorization.

85624668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792834 (or 792826 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 85624668 is about 9253.3598222483. The cubic root of 85624668 is about 440.7574213130.

The spelling of 85624668 in words is "eighty-five million, six hundred twenty-four thousand, six hundred sixty-eight".