97192479647 has 2 divisors, whose sum is σ = 97192479648. Its totient is φ = 97192479646.

The previous prime is 97192479599. The next prime is 97192479667. The reversal of 97192479647 is 74697429179.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97192479647 - 2²² = 97188285343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97192479667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48596239823 + 48596239824.

It is an arithmetic number, because the mean of its divisors is an integer number (48596239824).

Almost surely, 2^97192479647 is an apocalyptic number.

97192479647 is a deficient number, since it is larger than the sum of its proper divisors (1).

97192479647 is an equidigital number, since it uses as much as digits as its factorization.

97192479647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48009024, while the sum is 65.

The spelling of 97192479647 in words is "ninety-seven billion, one hundred ninety-two million, four hundred seventy-nine thousand, six hundred forty-seven".