97281388613 has 8 divisors (see below), whose sum is σ = 100750521600. Its totient is φ = 93870560560.

The previous prime is 97281388583. The next prime is 97281388619. The reversal of 97281388613 is 31688318279.

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

It is a cyclic number.

It is not a de Polignac number, because 97281388613 - 2⁶ = 97281388549 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 (97281388619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14572838 + ... + 14579511.

It is an arithmetic number, because the mean of its divisors is an integer number (12593815200).

Almost surely, 2^97281388613 is an apocalyptic number.

It is an amenable number.

97281388613 is a deficient number, since it is larger than the sum of its proper divisors (3469132987).

97281388613 is a wasteful number, since it uses less digits than its factorization.

97281388613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29152467.

The product of its digits is 3483648, while the sum is 56.

The spelling of 97281388613 in words is "ninety-seven billion, two hundred eighty-one million, three hundred eighty-eight thousand, six hundred thirteen".