97852339729 has 2 divisors, whose sum is σ = 97852339730. Its totient is φ = 97852339728.

The previous prime is 97852339693. The next prime is 97852339751. The reversal of 97852339729 is 92793325879.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80965857025 + 16886482704 = 284545^2 + 129948^2 .

It is a cyclic number.

It is not a de Polignac number, because 97852339729 - 2¹⁹ = 97851815441 is a prime.

It is not a weakly prime, because it can be changed into another prime (97852339829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48926169864 + 48926169865.

It is an arithmetic number, because the mean of its divisors is an integer number (48926169865).

Almost surely, 2^97852339729 is an apocalyptic number.

It is an amenable number.

97852339729 is a deficient number, since it is larger than the sum of its proper divisors (1).

97852339729 is an equidigital number, since it uses as much as digits as its factorization.

97852339729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51438240, while the sum is 64.

The spelling of 97852339729 in words is "ninety-seven billion, eight hundred fifty-two million, three hundred thirty-nine thousand, seven hundred twenty-nine".