97853183985 has 16 divisors (see below), whose sum is σ = 157384811520. Its totient is φ = 51915125760.

The previous prime is 97853183983. The next prime is 97853184007. The reversal of 97853183985 is 58938135879.

It is not a de Polignac number, because 97853183985 - 2¹ = 97853183983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97853183983) 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 15 ways as a sum of consecutive naturals, for example, 17074480 + ... + 17080209.

It is an arithmetic number, because the mean of its divisors is an integer number (9836550720).

Almost surely, 2^97853183985 is an apocalyptic number.

It is an amenable number.

97853183985 is a deficient number, since it is larger than the sum of its proper divisors (59531627535).

97853183985 is a wasteful number, since it uses less digits than its factorization.

97853183985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34154888.

The product of its digits is 65318400, while the sum is 66.

The spelling of 97853183985 in words is "ninety-seven billion, eight hundred fifty-three million, one hundred eighty-three thousand, nine hundred eighty-five".