8712575215380 has 480 divisors, whose sum is σ = 28985841561600. Its totient is φ = 2186244732672.

The previous prime is 8712575215363. The next prime is 8712575215397. The reversal of 8712575215380 is 835125752178.

It is a happy number.

8712575215380 is a `hidden beast` number, since 8 + 7 + 1 + 2 + 57 + 52 + 1 + 538 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (8712575215363) and next prime (8712575215397).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 833016591 + ... + 833027049.

It is an arithmetic number, because the mean of its divisors is an integer number (60387169920).

Almost surely, 2^{8712575215380} 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 8712575215380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14492920780800).

8712575215380 is an abundant number, since it is smaller than the sum of its proper divisors (20273266346220).

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

8712575215380 is a wasteful number, since it uses less digits than its factorization.

8712575215380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10865 (or 10854 counting only the distinct ones).

The product of its (nonzero) digits is 4704000, while the sum is 54.

The spelling of 8712575215380 in words is "eight trillion, seven hundred twelve billion, five hundred seventy-five million, two hundred fifteen thousand, three hundred eighty".