97889445670 has 16 divisors (see below), whose sum is σ = 176307369408. Its totient is φ = 39132141120.

The previous prime is 97889445649. The next prime is 97889445751. The reversal of 97889445670 is 7654498879.

It is a junction number, because it is equal to n+sod(n) for n = 97889445596 and 97889445605.

It is a congruent number.

It is an unprimeable number.

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, 2937246 + ... + 2970385.

It is an arithmetic number, because the mean of its divisors is an integer number (11019210588).

Almost surely, 2^97889445670 is an apocalyptic number.

97889445670 is a deficient number, since it is larger than the sum of its proper divisors (78417923738).

97889445670 is a wasteful number, since it uses less digits than its factorization.

97889445670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5909295.

The product of its (nonzero) digits is 121927680, while the sum is 67.

The spelling of 97889445670 in words is "ninety-seven billion, eight hundred eighty-nine million, four hundred forty-five thousand, six hundred seventy".