97886189 has 8 divisors (see below), whose sum is σ = 103395072. Its totient is φ = 92524320.

The previous prime is 97886179. The next prime is 97886207. The reversal of 97886189 is 98168879.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97886189 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 (97886149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35384 + ... + 38049.

It is an arithmetic number, because the mean of its divisors is an integer number (12924384).

Almost surely, 2^97886189 is an apocalyptic number.

It is an amenable number.

97886189 is a deficient number, since it is larger than the sum of its proper divisors (5508883).

97886189 is a wasteful number, since it uses less digits than its factorization.

97886189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73507.

The product of its digits is 1741824, while the sum is 56.

The square root of 97886189 is about 9893.7449431446. The cubic root of 97886189 is about 460.8650844368.

The spelling of 97886189 in words is "ninety-seven million, eight hundred eighty-six thousand, one hundred eighty-nine".