97688842 has 32 divisors (see below), whose sum is σ = 159667200. Its totient is φ = 44675568.

The previous prime is 97688831. The next prime is 97688863. The reversal of 97688842 is 24888679.

It is a self number, because there is not a number n which added to its sum of digits gives 97688842.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 147909 + ... + 148567.

It is an arithmetic number, because the mean of its divisors is an integer number (4989600).

Almost surely, 2^97688842 is an apocalyptic number.

97688842 is a deficient number, since it is larger than the sum of its proper divisors (61978358).

97688842 is a wasteful number, since it uses less digits than its factorization.

97688842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810.

The product of its digits is 1548288, while the sum is 52.

The square root of 97688842 is about 9883.7665897167. The cubic root of 97688842 is about 460.5551614792. Note that the first 3 decimals are identical.

The spelling of 97688842 in words is "ninety-seven million, six hundred eighty-eight thousand, eight hundred forty-two".