97423866585 has 40 divisors (see below), whose sum is σ = 177101090496. Its totient is φ = 51227557920.

The previous prime is 97423866571. The next prime is 97423866593. The reversal of 97423866585 is 58566832479.

It is a happy number.

97423866585 is a `hidden beast` number, since 9 + 7 + 42 + 3 + 8 + 6 + 6 + 585 = 666.

It is not a de Polignac number, because 97423866585 - 2⁶ = 97423866521 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1665279 + ... + 1722788.

Almost surely, 2^97423866585 is an apocalyptic number.

It is an amenable number.

97423866585 is a deficient number, since it is larger than the sum of its proper divisors (79677223911).

97423866585 is a wasteful number, since it uses less digits than its factorization.

97423866585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3388155 (or 3388146 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 63.

The spelling of 97423866585 in words is "ninety-seven billion, four hundred twenty-three million, eight hundred sixty-six thousand, five hundred eighty-five".