97884435812 has 12 divisors (see below), whose sum is σ = 171303625836. Its totient is φ = 48940542720.

The previous prime is 97884435811. The next prime is 97884435827. The reversal of 97884435812 is 21853448879.

It can be written as a sum of positive squares in 2 ways, for example, as 64066696996 + 33817738816 = 253114^2 + 183896^2 .

It is not an unprimeable number, because it can be changed into a prime (97884435811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282389 + ... + 524892.

It is an arithmetic number, because the mean of its divisors is an integer number (14275302153).

Almost surely, 2^97884435812 is an apocalyptic number.

It is an amenable number.

97884435812 is a deficient number, since it is larger than the sum of its proper divisors (73419190024).

97884435812 is a wasteful number, since it uses less digits than its factorization.

97884435812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837598 (or 837596 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 59.

The spelling of 97884435812 in words is "ninety-seven billion, eight hundred eighty-four million, four hundred thirty-five thousand, eight hundred twelve".