97889530 has 8 divisors (see below), whose sum is σ = 176201172. Its totient is φ = 39155808.

The previous prime is 97889513. The next prime is 97889549. The reversal of 97889530 is 3598879.

It can be written as a sum of positive squares in 2 ways, for example, as 86992929 + 10896601 = 9327^2 + 3301^2 .

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

It is an unprimeable number.

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, 4894467 + ... + 4894486.

Almost surely, 2^97889530 is an apocalyptic number.

97889530 is a deficient number, since it is larger than the sum of its proper divisors (78311642).

97889530 is a wasteful number, since it uses less digits than its factorization.

97889530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9788960.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 97889530 is about 9893.9137857574. The cubic root of 97889530 is about 460.8703277122.

The spelling of 97889530 in words is "ninety-seven million, eight hundred eighty-nine thousand, five hundred thirty".