85807604 has 6 divisors (see below), whose sum is σ = 150163314. Its totient is φ = 42903800.

The previous prime is 85807577. The next prime is 85807627. The reversal of 85807604 is 40670858.

It can be written as a sum of positive squares in only one way, i.e., 69388900 + 16418704 = 8330^2 + 4052^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10725947 + ... + 10725954.

It is an arithmetic number, because the mean of its divisors is an integer number (25027219).

Almost surely, 2^85807604 is an apocalyptic number.

It is an amenable number.

85807604 is a deficient number, since it is larger than the sum of its proper divisors (64355710).

85807604 is a wasteful number, since it uses less digits than its factorization.

85807604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21451905 (or 21451903 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 85807604 is about 9263.2393901917. The cubic root of 85807604 is about 441.0710888873.

The spelling of 85807604 in words is "eighty-five million, eight hundred seven thousand, six hundred four".