97988667 has 8 divisors (see below), whose sum is σ = 149316096. Its totient is φ = 55993512.

The previous prime is 97988641. The next prime is 97988669. The reversal of 97988667 is 76688979.

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

It is not a de Polignac number, because 97988667 - 2⁶ = 97988603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97988667.

It is not an unprimeable number, because it can be changed into a prime (97988669) 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, 2333043 + ... + 2333084.

It is an arithmetic number, because the mean of its divisors is an integer number (18664512).

Almost surely, 2^97988667 is an apocalyptic number.

97988667 is a deficient number, since it is larger than the sum of its proper divisors (51327429).

97988667 is a wasteful number, since it uses less digits than its factorization.

97988667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4666137.

The product of its digits is 9144576, while the sum is 60.

The square root of 97988667 is about 9898.9225171228. The cubic root of 97988667 is about 461.0258563865.

The spelling of 97988667 in words is "ninety-seven million, nine hundred eighty-eight thousand, six hundred sixty-seven".