97660039 has 4 divisors (see below), whose sum is σ = 98373024. Its totient is φ = 96947056.

The previous prime is 97660033. The next prime is 97660049. The reversal of 97660039 is 93006679.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93006679 = 53 ⋅1754843.

It is a cyclic number.

It is not a de Polignac number, because 97660039 - 2⁵ = 97660007 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97659983 and 97660010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97660033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356287 + ... + 356560.

It is an arithmetic number, because the mean of its divisors is an integer number (24593256).

Almost surely, 2^97660039 is an apocalyptic number.

97660039 is a deficient number, since it is larger than the sum of its proper divisors (712985).

97660039 is a wasteful number, since it uses less digits than its factorization.

97660039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712984.

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 97660039 is about 9882.3093960875. The cubic root of 97660039 is about 460.5098930057.

The spelling of 97660039 in words is "ninety-seven million, six hundred sixty thousand, thirty-nine".