85374568 has 8 divisors (see below), whose sum is σ = 160077330. Its totient is φ = 42687280.

The previous prime is 85374557. The next prime is 85374571. The reversal of 85374568 is 86547358.

It can be written as a sum of positive squares in only one way, i.e., 74338884 + 11035684 = 8622^2 + 3322^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×85374568² = 14577633722373248, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 5335903 + ... + 5335918.

Almost surely, 2^85374568 is an apocalyptic number.

It is an amenable number.

85374568 is a deficient number, since it is larger than the sum of its proper divisors (74702762).

85374568 is a wasteful number, since it uses less digits than its factorization.

85374568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10671827 (or 10671823 counting only the distinct ones).

The product of its digits is 806400, while the sum is 46.

The square root of 85374568 is about 9239.8359292793. The cubic root of 85374568 is about 440.3278685738.

The spelling of 85374568 in words is "eighty-five million, three hundred seventy-four thousand, five hundred sixty-eight".