91472007923712 has 576 divisors, whose sum is σ = 287900160912000. Its totient is φ = 27811853107200.

The previous prime is 91472007923677. The next prime is 91472007923717. The reversal of 91472007923712 is 21732970027419.

91472007923712 is a `hidden beast` number, since 91 + 47 + 200 + 79 + 237 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is not an unprimeable number, because it can be changed into a prime (91472007923717) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6983122539 + ... + 6983135637.

It is an arithmetic number, because the mean of its divisors is an integer number (499826668250).

Almost surely, 2^{91472007923712} 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 91472007923712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143950080456000).

91472007923712 is an abundant number, since it is smaller than the sum of its proper divisors (196428152988288).

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

91472007923712 is a wasteful number, since it uses less digits than its factorization.

91472007923712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13484 (or 13461 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 54.

The spelling of 91472007923712 in words is "ninety-one trillion, four hundred seventy-two billion, seven million, nine hundred twenty-three thousand, seven hundred twelve".