97668289536 has 44 divisors (see below), whose sum is σ = 260321608032. Its totient is φ = 32556095488.

The previous prime is 97668289489. The next prime is 97668289633. The reversal of 97668289536 is 63598286679.

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 3 ways as a sum of consecutive naturals, for example, 15893460 + ... + 15899603.

Almost surely, 2^97668289536 is an apocalyptic number.

97668289536 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

97668289536 is an abundant number, since it is smaller than the sum of its proper divisors (162653318496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97668289536 is a wasteful number, since it uses less digits than its factorization.

97668289536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31793086 (or 31793068 counting only the distinct ones).

The product of its digits is 235146240, while the sum is 69.

The spelling of 97668289536 in words is "ninety-seven billion, six hundred sixty-eight million, two hundred eighty-nine thousand, five hundred thirty-six".