97707028329 has 10 divisors (see below), whose sum is σ = 145957412810. Its totient is φ = 65138018832.

The previous prime is 97707028319. The next prime is 97707028337. The reversal of 97707028329 is 92382070779.

It can be written as a sum of positive squares in only one way, i.e., 97688752704 + 18275625 = 312552^2 + 4275^2 .

It is not a de Polignac number, because 97707028329 - 2⁵ = 97707028297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97707028319) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 603129724 + ... + 603129885.

It is an arithmetic number, because the mean of its divisors is an integer number (14595741281).

Almost surely, 2^97707028329 is an apocalyptic number.

It is an amenable number.

97707028329 is a deficient number, since it is larger than the sum of its proper divisors (48250384481).

97707028329 is a wasteful number, since it uses less digits than its factorization.

97707028329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206259621 (or 1206259612 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 54.

The spelling of 97707028329 in words is "ninety-seven billion, seven hundred seven million, twenty-eight thousand, three hundred twenty-nine".