97736707435321 has 4 divisors (see below), whose sum is σ = 98142253939444. Its totient is φ = 97331160931200.

The previous prime is 97736707435313. The next prime is 97736707435363. The reversal of 97736707435321 is 12353470763779.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62885867463721 + 34850839971600 = 7930061^2 + 5903460^2 .

It is a cyclic number.

It is not a de Polignac number, because 97736707435321 - 2³ = 97736707435313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97736707435391) 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, 202773251700 + ... + 202773252181.

It is an arithmetic number, because the mean of its divisors is an integer number (24535563484861).

Almost surely, 2^{97736707435321} is an apocalyptic number.

It is an amenable number.

97736707435321 is a deficient number, since it is larger than the sum of its proper divisors (405546504123).

97736707435321 is a wasteful number, since it uses less digits than its factorization.

97736707435321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405546504122.

The product of its (nonzero) digits is 140026320, while the sum is 64.

The spelling of 97736707435321 in words is "ninety-seven trillion, seven hundred thirty-six billion, seven hundred seven million, four hundred thirty-five thousand, three hundred twenty-one".