97585802547 has 4 divisors (see below), whose sum is σ = 130114403400. Its totient is φ = 65057201696.

The previous prime is 97585802539. The next prime is 97585802579. The reversal of 97585802547 is 74520858579.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74520858579 = 3 ⋅24840286193.

It is a cyclic number.

It is not a de Polignac number, because 97585802547 - 2³ = 97585802539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97585802507) 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, 16264300422 + ... + 16264300427.

It is an arithmetic number, because the mean of its divisors is an integer number (32528600850).

Almost surely, 2^97585802547 is an apocalyptic number.

97585802547 is a deficient number, since it is larger than the sum of its proper divisors (32528600853).

97585802547 is a wasteful number, since it uses less digits than its factorization.

97585802547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32528600852.

The product of its (nonzero) digits is 28224000, while the sum is 60.

The spelling of 97585802547 in words is "ninety-seven billion, five hundred eighty-five million, eight hundred two thousand, five hundred forty-seven".