97129221276 has 48 divisors (see below), whose sum is σ = 231875936768. Its totient is φ = 31634712000.

The previous prime is 97129221229. The next prime is 97129221289. The reversal of 97129221276 is 67212292179.

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 15 ways as a sum of consecutive naturals, for example, 328840 + ... + 549903.

Almost surely, 2^97129221276 is an apocalyptic number.

It is an amenable number.

97129221276 is an abundant number, since it is smaller than the sum of its proper divisors (134746715492).

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

97129221276 is a wasteful number, since it uses less digits than its factorization.

97129221276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878962 (or 878960 counting only the distinct ones).

The product of its digits is 381024, while the sum is 48.

The spelling of 97129221276 in words is "ninety-seven billion, one hundred twenty-nine million, two hundred twenty-one thousand, two hundred seventy-six".