8523763903872 has 384 divisors, whose sum is σ = 28329475299840. Its totient is φ = 2409576505344.

The previous prime is 8523763903871. The next prime is 8523763903981. The reversal of 8523763903872 is 2783093673258.

8523763903872 is a `hidden beast` number, since 8 + 5 + 237 + 6 + 390 + 3 + 8 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8523763903871) 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, 739454973 + ... + 739466499.

It is an arithmetic number, because the mean of its divisors is an integer number (73774675260).

Almost surely, 2^{8523763903872} 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 8523763903872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14164737649920).

8523763903872 is an abundant number, since it is smaller than the sum of its proper divisors (19805711395968).

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

8523763903872 is a wasteful number, since it uses less digits than its factorization.

8523763903872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12518 (or 12503 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 63.

The spelling of 8523763903872 in words is "eight trillion, five hundred twenty-three billion, seven hundred sixty-three million, nine hundred three thousand, eight hundred seventy-two".