97871768029 has 6 divisors (see below), whose sum is σ = 113850832254. Its totient is φ = 83890086840.

The previous prime is 97871767951. The next prime is 97871768039. The reversal of 97871768029 is 92086717879.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 93531988900 + 4339779129 = 305830^2 + 65877^2 .

It is not a de Polignac number, because 97871768029 - 2⁹ = 97871767517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97871768039) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 998691462 + ... + 998691559.

It is an arithmetic number, because the mean of its divisors is an integer number (18975138709).

Almost surely, 2^97871768029 is an apocalyptic number.

It is an amenable number.

97871768029 is a deficient number, since it is larger than the sum of its proper divisors (15979064225).

97871768029 is a wasteful number, since it uses less digits than its factorization.

97871768029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997383035 (or 1997383028 counting only the distinct ones).

The product of its (nonzero) digits is 21337344, while the sum is 64.

The spelling of 97871768029 in words is "ninety-seven billion, eight hundred seventy-one million, seven hundred sixty-eight thousand, twenty-nine".