8749406320536 has 192 divisors, whose sum is σ = 26047872622080. Its totient is φ = 2440824503040.

The previous prime is 8749406320469. The next prime is 8749406320549. The reversal of 8749406320536 is 6350236049478.

It is a super-2 number, since 2×8749406320536² (a number of 27 digits) contains 22 as substring.

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, 23081511 + ... + 23457513.

It is an arithmetic number, because the mean of its divisors is an integer number (135666003240).

Almost surely, 2^{8749406320536} 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 8749406320536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13023936311040).

8749406320536 is an abundant number, since it is smaller than the sum of its proper divisors (17298466301544).

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

8749406320536 is a wasteful number, since it uses less digits than its factorization.

8749406320536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376494 (or 376483 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 57.

The spelling of 8749406320536 in words is "eight trillion, seven hundred forty-nine billion, four hundred six million, three hundred twenty thousand, five hundred thirty-six".