97585447 has 4 divisors (see below), whose sum is σ = 99854920. Its totient is φ = 95315976.

The previous prime is 97585441. The next prime is 97585459. The reversal of 97585447 is 74458579.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74458579 = 13 ⋅5727583.

It is a cyclic number.

It is not a de Polignac number, because 97585447 - 2²³ = 89196839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97585447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97585441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1134672 + ... + 1134757.

It is an arithmetic number, because the mean of its divisors is an integer number (24963730).

Almost surely, 2^97585447 is an apocalyptic number.

97585447 is a deficient number, since it is larger than the sum of its proper divisors (2269473).

97585447 is a wasteful number, since it uses less digits than its factorization.

97585447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269472.

The product of its digits is 1411200, while the sum is 49.

The square root of 97585447 is about 9878.5346585412. The cubic root of 97585447 is about 460.3926184837.

The spelling of 97585447 in words is "ninety-seven million, five hundred eighty-five thousand, four hundred forty-seven".