97115447 has 24 divisors (see below), whose sum is σ = 116233488. Its totient is φ = 80593920.

The previous prime is 97115423. The next prime is 97115497. The reversal of 97115447 is 74451179.

It is not a de Polignac number, because 97115447 - 2¹² = 97111351 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97115447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97115497) 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 in 23 ways as a sum of consecutive naturals, for example, 168023 + ... + 168599.

It is an arithmetic number, because the mean of its divisors is an integer number (4843062).

Almost surely, 2^97115447 is an apocalyptic number.

97115447 is a deficient number, since it is larger than the sum of its proper divisors (19118041).

97115447 is a wasteful number, since it uses less digits than its factorization.

97115447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719 (or 708 counting only the distinct ones).

The product of its digits is 35280, while the sum is 38.

The square root of 97115447 is about 9854.7169923849. The cubic root of 97115447 is about 459.6523002627.

The spelling of 97115447 in words is "ninety-seven million, one hundred fifteen thousand, four hundred forty-seven".