97667614945 has 4 divisors (see below), whose sum is σ = 117201137940. Its totient is φ = 78134091952.

The previous prime is 97667614903. The next prime is 97667615009. The reversal of 97667614945 is 54941676679.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54941676679 = 139 ⋅395263861.

It can be written as a sum of positive squares in 2 ways, for example, as 55134327249 + 42533287696 = 234807^2 + 206236^2 .

It is a cyclic number.

It is not a de Polignac number, because 97667614945 - 2⁹ = 97667614433 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9766761490 + ... + 9766761499.

It is an arithmetic number, because the mean of its divisors is an integer number (29300284485).

Almost surely, 2^97667614945 is an apocalyptic number.

It is an amenable number.

97667614945 is a deficient number, since it is larger than the sum of its proper divisors (19533522995).

97667614945 is a wasteful number, since it uses less digits than its factorization.

97667614945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19533522994.

The product of its digits is 68584320, while the sum is 64.

The spelling of 97667614945 in words is "ninety-seven billion, six hundred sixty-seven million, six hundred fourteen thousand, nine hundred forty-five".