97589942889 has 4 divisors (see below), whose sum is σ = 130119923856. Its totient is φ = 65059961924.

The previous prime is 97589942843. The next prime is 97589942903. The reversal of 97589942889 is 98824998579.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 97589942889 - 2¹⁶ = 97589877353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97589942189) 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, 16264990479 + ... + 16264990484.

It is an arithmetic number, because the mean of its divisors is an integer number (32529980964).

Almost surely, 2^97589942889 is an apocalyptic number.

It is an amenable number.

97589942889 is a deficient number, since it is larger than the sum of its proper divisors (32529980967).

97589942889 is a wasteful number, since it uses less digits than its factorization.

97589942889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32529980966.

The product of its digits is 940584960, while the sum is 78.

The spelling of 97589942889 in words is "ninety-seven billion, five hundred eighty-nine million, nine hundred forty-two thousand, eight hundred eighty-nine".