97832979617 has 2 divisors, whose sum is σ = 97832979618. Its totient is φ = 97832979616.

The previous prime is 97832979593. The next prime is 97832979659. The reversal of 97832979617 is 71697923879.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83946949696 + 13886029921 = 289736^2 + 117839^2 .

It is a cyclic number.

It is not a de Polignac number, because 97832979617 - 2¹⁸ = 97832717473 is a prime.

It is not a weakly prime, because it can be changed into another prime (97832979017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48916489808 + 48916489809.

It is an arithmetic number, because the mean of its divisors is an integer number (48916489809).

Almost surely, 2^97832979617 is an apocalyptic number.

It is an amenable number.

97832979617 is a deficient number, since it is larger than the sum of its proper divisors (1).

97832979617 is an equidigital number, since it uses as much as digits as its factorization.

97832979617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72013536, while the sum is 68.

The spelling of 97832979617 in words is "ninety-seven billion, eight hundred thirty-two million, nine hundred seventy-nine thousand, six hundred seventeen".