97066720653 has 8 divisors (see below), whose sum is σ = 147911193408. Its totient is φ = 55466697504.

The previous prime is 97066720643. The next prime is 97066720781. The reversal of 97066720653 is 35602766079.

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

It is not a de Polignac number, because 97066720653 - 2⁴ = 97066720637 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 97066720596 and 97066720605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97066720643) 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, 2311112376 + ... + 2311112417.

It is an arithmetic number, because the mean of its divisors is an integer number (18488899176).

Almost surely, 2^97066720653 is an apocalyptic number.

It is an amenable number.

97066720653 is a deficient number, since it is larger than the sum of its proper divisors (50844472755).

97066720653 is a wasteful number, since it uses less digits than its factorization.

97066720653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4622224803.

The product of its (nonzero) digits is 2857680, while the sum is 51.

The spelling of 97066720653 in words is "ninety-seven billion, sixty-six million, seven hundred twenty thousand, six hundred fifty-three".