97206685 has 4 divisors (see below), whose sum is σ = 116648028. Its totient is φ = 77765344.

The previous prime is 97206673. The next prime is 97206691. The reversal of 97206685 is 58660279.

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

It can be written as a sum of positive squares in 2 ways, for example, as 50993881 + 46212804 = 7141^2 + 6798^2 .

It is a cyclic number.

It is not a de Polignac number, because 97206685 - 2⁵ = 97206653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9720664 + ... + 9720673.

It is an arithmetic number, because the mean of its divisors is an integer number (29162007).

Almost surely, 2^97206685 is an apocalyptic number.

It is an amenable number.

97206685 is a deficient number, since it is larger than the sum of its proper divisors (19441343).

97206685 is a wasteful number, since it uses less digits than its factorization.

97206685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19441342.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 97206685 is about 9859.3450593840. The cubic root of 97206685 is about 459.7961998911.

The spelling of 97206685 in words is "ninety-seven million, two hundred six thousand, six hundred eighty-five".