97989623749072 has 60 divisors (see below), whose sum is σ = 209082495294400. Its totient is φ = 44455573673280.

The previous prime is 97989623748967. The next prime is 97989623749111. The reversal of 97989623749072 is 27094732698979.

It is a super-3 number, since 3×97989623749072³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47376072 + ... + 49401127.

Almost surely, 2^{97989623749072} is an apocalyptic number.

It is an amenable number.

97989623749072 is an abundant number, since it is smaller than the sum of its proper divisors (111092871545328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97989623749072 is a wasteful number, since it uses less digits than its factorization.

97989623749072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96777752 (or 96777735 counting only the distinct ones).

The product of its (nonzero) digits is 5184974592, while the sum is 82.

The spelling of 97989623749072 in words is "ninety-seven trillion, nine hundred eighty-nine billion, six hundred twenty-three million, seven hundred forty-nine thousand, seventy-two".