97679925655988 has 96 divisors (see below), whose sum is σ = 195393100331520. Its totient is φ = 42327696660480.

The previous prime is 97679925655933. The next prime is 97679925655999. The reversal of 97679925655988 is 88955652997679.

It is a super-2 number, since 2×97679925655988² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 97679925655988.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1563873503 + ... + 1563935961.

It is an arithmetic number, because the mean of its divisors is an integer number (2035344795120).

Almost surely, 2^{97679925655988} is an apocalyptic number.

It is an amenable number.

97679925655988 is an abundant number, since it is smaller than the sum of its proper divisors (97713174675532).

97679925655988 is a wasteful number, since it uses less digits than its factorization.

97679925655988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66777 (or 66775 counting only the distinct ones).

The product of its digits is 185177664000, while the sum is 95.

The spelling of 97679925655988 in words is "ninety-seven trillion, six hundred seventy-nine billion, nine hundred twenty-five million, six hundred fifty-five thousand, nine hundred eighty-eight".