85566484 has 6 divisors (see below), whose sum is σ = 149741354. Its totient is φ = 42783240.

The previous prime is 85566473. The next prime is 85566497. The reversal of 85566484 is 48466558.

It can be written as a sum of positive squares in only one way, i.e., 71876484 + 13690000 = 8478^2 + 3700^2 .

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, 10695807 + ... + 10695814.

Almost surely, 2^85566484 is an apocalyptic number.

It is an amenable number.

85566484 is a deficient number, since it is larger than the sum of its proper divisors (64174870).

85566484 is a wasteful number, since it uses less digits than its factorization.

85566484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21391625 (or 21391623 counting only the distinct ones).

The product of its digits is 921600, while the sum is 46.

The square root of 85566484 is about 9250.2153488446. The cubic root of 85566484 is about 440.6575636380.

The spelling of 85566484 in words is "eighty-five million, five hundred sixty-six thousand, four hundred eighty-four".