97066147 has 4 divisors (see below), whose sum is σ = 99433656. Its totient is φ = 94698640.

The previous prime is 97066097. The next prime is 97066171. The reversal of 97066147 is 74166079.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97066147 - 2⁷ = 97066019 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97066547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1183693 + ... + 1183774.

It is an arithmetic number, because the mean of its divisors is an integer number (24858414).

Almost surely, 2^97066147 is an apocalyptic number.

97066147 is a deficient number, since it is larger than the sum of its proper divisors (2367509).

97066147 is a wasteful number, since it uses less digits than its factorization.

97066147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367508.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 97066147 is about 9852.2153346341. The cubic root of 97066147 is about 459.5745073035.

The spelling of 97066147 in words is "ninety-seven million, sixty-six thousand, one hundred forty-seven".