97129221286 has 8 divisors (see below), whose sum is σ = 146841027840. Its totient is φ = 48182212008.

The previous prime is 97129221229. The next prime is 97129221289. The reversal of 97129221286 is 68212292179.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97129221289) by changing a digit.

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, 191199001 + ... + 191199508.

It is an arithmetic number, because the mean of its divisors is an integer number (18355128480).

Almost surely, 2^97129221286 is an apocalyptic number.

97129221286 is a deficient number, since it is larger than the sum of its proper divisors (49711806554).

97129221286 is a wasteful number, since it uses less digits than its factorization.

97129221286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382398638.

The product of its digits is 435456, while the sum is 49.

The spelling of 97129221286 in words is "ninety-seven billion, one hundred twenty-nine million, two hundred twenty-one thousand, two hundred eighty-six".