97685360639 has 8 divisors (see below), whose sum is σ = 104303075712. Its totient is φ = 91265189400.

The previous prime is 97685360609. The next prime is 97685360659. The reversal of 97685360639 is 93606358679.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97685360639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97685360609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49384937 + ... + 49386914.

It is an arithmetic number, because the mean of its divisors is an integer number (13037884464).

Almost surely, 2^97685360639 is an apocalyptic number.

97685360639 is a deficient number, since it is larger than the sum of its proper divisors (6617715073).

97685360639 is a wasteful number, since it uses less digits than its factorization.

97685360639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98771917.

The product of its (nonzero) digits is 44089920, while the sum is 62.

The spelling of 97685360639 in words is "ninety-seven billion, six hundred eighty-five million, three hundred sixty thousand, six hundred thirty-nine".