97646873 has 2 divisors, whose sum is σ = 97646874. Its totient is φ = 97646872.

The previous prime is 97646867. The next prime is 97646897. The reversal of 97646873 is 37864679.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72114064 + 25532809 = 8492^2 + 5053^2 .

It is an emirp because it is prime and its reverse (37864679) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97646873 - 2²⁰ = 96598297 is a prime.

It is not a weakly prime, because it can be changed into another prime (97646173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48823436 + 48823437.

It is an arithmetic number, because the mean of its divisors is an integer number (48823437).

Almost surely, 2^97646873 is an apocalyptic number.

It is an amenable number.

97646873 is a deficient number, since it is larger than the sum of its proper divisors (1).

97646873 is an equidigital number, since it uses as much as digits as its factorization.

97646873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 50.

The square root of 97646873 is about 9881.6432337947. The cubic root of 97646873 is about 460.4891975886.

The spelling of 97646873 in words is "ninety-seven million, six hundred forty-six thousand, eight hundred seventy-three".