97706647 has 8 divisors (see below), whose sum is σ = 99123200. Its totient is φ = 96294744.

The previous prime is 97706639. The next prime is 97706657. The reversal of 97706647 is 74660779.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97706647 - 2³ = 97706639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97706597 and 97706606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97706627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75754 + ... + 77032.

It is an arithmetic number, because the mean of its divisors is an integer number (12390400).

Almost surely, 2^97706647 is an apocalyptic number.

97706647 is a deficient number, since it is larger than the sum of its proper divisors (1416553).

97706647 is a wasteful number, since it uses less digits than its factorization.

97706647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325.

The product of its (nonzero) digits is 444528, while the sum is 46.

The square root of 97706647 is about 9884.6672680470. The cubic root of 97706647 is about 460.5831404047.

The spelling of 97706647 in words is "ninety-seven million, seven hundred six thousand, six hundred forty-seven".