97889523 has 8 divisors (see below), whose sum is σ = 130580736. Its totient is φ = 65229000.

The previous prime is 97889513. The next prime is 97889549. The reversal of 97889523 is 32598879.

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

It is not a de Polignac number, because 97889523 - 2⁶ = 97889459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97889513) 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 7 ways as a sum of consecutive naturals, for example, 1258 + ... + 14048.

It is an arithmetic number, because the mean of its divisors is an integer number (16322592).

Almost surely, 2^97889523 is an apocalyptic number.

97889523 is a deficient number, since it is larger than the sum of its proper divisors (32691213).

97889523 is a wasteful number, since it uses less digits than its factorization.

97889523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15345.

The product of its digits is 1088640, while the sum is 51.

The square root of 97889523 is about 9893.9134320045. The cubic root of 97889523 is about 460.8703167267.

The spelling of 97889523 in words is "ninety-seven million, eight hundred eighty-nine thousand, five hundred twenty-three".