8363412720 has 480 divisors, whose sum is σ = 32202188928. Its totient is φ = 1929388032.

The previous prime is 8363412703. The next prime is 8363412727. The reversal of 8363412720 is 272143638.

It is a happy number.

8363412720 is a `hidden beast` number, since 8 + 3 + 634 + 12 + 7 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8363412727) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11409474 + ... + 11410206.

Almost surely, 2^8363412720 is an apocalyptic number.

8363412720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8363412720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16101094464).

8363412720 is an abundant number, since it is smaller than the sum of its proper divisors (23838776208).

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

8363412720 is a wasteful number, since it uses less digits than its factorization.

8363412720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841 (or 832 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 8363412720 is about 91451.6961023687. The cubic root of 8363412720 is about 2029.8370548754.

The spelling of 8363412720 in words is "eight billion, three hundred sixty-three million, four hundred twelve thousand, seven hundred twenty".