97171679 has 4 divisors (see below), whose sum is σ = 106005480. Its totient is φ = 88337880.

The previous prime is 97171667. The next prime is 97171693. The reversal of 97171679 is 97617179.

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 97171679 - 2⁸ = 97171423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97171649) 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 3 ways as a sum of consecutive naturals, for example, 4416884 + ... + 4416905.

It is an arithmetic number, because the mean of its divisors is an integer number (26501370).

Almost surely, 2^97171679 is an apocalyptic number.

97171679 is a deficient number, since it is larger than the sum of its proper divisors (8833801).

97171679 is a wasteful number, since it uses less digits than its factorization.

97171679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8833800.

The product of its digits is 166698, while the sum is 47.

The square root of 97171679 is about 9857.5696294776. The cubic root of 97171679 is about 459.7409994411.

The spelling of 97171679 in words is "ninety-seven million, one hundred seventy-one thousand, six hundred seventy-nine".