97911902223072 has 288 divisors, whose sum is σ = 321001223961600. Its totient is φ = 27730757182464.

The previous prime is 97911902223067. The next prime is 97911902223097. The reversal of 97911902223072 is 27032220911979.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 113965929 + ... + 114821847.

It is an arithmetic number, because the mean of its divisors is an integer number (1114587583200).

Almost surely, 2^{97911902223072} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97911902223072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160500611980800).

97911902223072 is an abundant number, since it is smaller than the sum of its proper divisors (223089321738528).

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

97911902223072 is a wasteful number, since it uses less digits than its factorization.

97911902223072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856438 (or 856427 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 54.

The spelling of 97911902223072 in words is "ninety-seven trillion, nine hundred eleven billion, nine hundred two million, two hundred twenty-three thousand, seventy-two".