97158136843 has 2 divisors, whose sum is σ = 97158136844. Its totient is φ = 97158136842.

The previous prime is 97158136787. The next prime is 97158136871. The reversal of 97158136843 is 34863185179.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97158136843 - 2¹³ = 97158128651 is a prime.

It is a super-2 number, since 2×97158136843² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (97158136643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48579068421 + 48579068422.

It is an arithmetic number, because the mean of its divisors is an integer number (48579068422).

Almost surely, 2^97158136843 is an apocalyptic number.

97158136843 is a deficient number, since it is larger than the sum of its proper divisors (1).

97158136843 is an equidigital number, since it uses as much as digits as its factorization.

97158136843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4354560, while the sum is 55.

The spelling of 97158136843 in words is "ninety-seven billion, one hundred fifty-eight million, one hundred thirty-six thousand, eight hundred forty-three".