97642085321 has 16 divisors (see below), whose sum is σ = 107070805248. Its totient is φ = 88306156800.

The previous prime is 97642085251. The next prime is 97642085329. The reversal of 97642085321 is 12358024679.

It is a cyclic number.

It is not a de Polignac number, because 97642085321 - 2¹⁰ = 97642084297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (97642085329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2624576 + ... + 2661518.

It is an arithmetic number, because the mean of its divisors is an integer number (6691925328).

It is a 1-persistent number, because it is pandigital, but 2⋅97642085321 = 195284170642 is not.

Almost surely, 2^97642085321 is an apocalyptic number.

It is an amenable number.

97642085321 is a deficient number, since it is larger than the sum of its proper divisors (9428719927).

97642085321 is a wasteful number, since it uses less digits than its factorization.

97642085321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38192.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 97642085321 in words is "ninety-seven billion, six hundred forty-two million, eighty-five thousand, three hundred twenty-one".