97128982 has 8 divisors (see below), whose sum is σ = 147689496. Its totient is φ = 47899152.

The previous prime is 97128961. The next prime is 97129001. The reversal of 97128982 is 28982179.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332488 + ... + 332779.

It is an arithmetic number, because the mean of its divisors is an integer number (18461187).

Almost surely, 2^97128982 is an apocalyptic number.

97128982 is a deficient number, since it is larger than the sum of its proper divisors (50560514).

97128982 is a wasteful number, since it uses less digits than its factorization.

97128982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665342.

The product of its digits is 145152, while the sum is 46.

The square root of 97128982 is about 9855.4036954353. The cubic root of 97128982 is about 459.6736532163.

The spelling of 97128982 in words is "ninety-seven million, one hundred twenty-eight thousand, nine hundred eighty-two".