97386436623 has 128 divisors (see below), whose sum is σ = 165217536000. Its totient is φ = 49746493440.

The previous prime is 97386436601. The next prime is 97386436627. The reversal of 97386436623 is 32663468379.

It is a Cunningham number, because it is equal to 312068²-1.

It is not a de Polignac number, because 97386436623 - 2⁶ = 97386436559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97386436627) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 238108443 + ... + 238108851.

It is an arithmetic number, because the mean of its divisors is an integer number (1290762000).

Almost surely, 2^97386436623 is an apocalyptic number.

97386436623 is a deficient number, since it is larger than the sum of its proper divisors (67831099377).

97386436623 is a wasteful number, since it uses less digits than its factorization.

97386436623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785.

The product of its digits is 23514624, while the sum is 57.

The spelling of 97386436623 in words is "ninety-seven billion, three hundred eighty-six million, four hundred thirty-six thousand, six hundred twenty-three".