97073688739 has 4 divisors (see below), whose sum is σ = 97148534824. Its totient is φ = 96998842656.

The previous prime is 97073688601. The next prime is 97073688743. The reversal of 97073688739 is 93788637079.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93788637079 = 89 ⋅1053804911.

It is a cyclic number.

It is not a de Polignac number, because 97073688739 - 2¹⁵ = 97073655971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97073688799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37421097 + ... + 37423690.

It is an arithmetic number, because the mean of its divisors is an integer number (24287133706).

Almost surely, 2^97073688739 is an apocalyptic number.

97073688739 is a deficient number, since it is larger than the sum of its proper divisors (74846085).

97073688739 is a wasteful number, since it uses less digits than its factorization.

97073688739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74846084.

The product of its (nonzero) digits is 96018048, while the sum is 67.

The spelling of 97073688739 in words is "ninety-seven billion, seventy-three million, six hundred eighty-eight thousand, seven hundred thirty-nine".