8373915648 has 416 divisors, whose sum is σ = 29408966400. Its totient is φ = 2303852544.

The previous prime is 8373915637. The next prime is 8373915679. The reversal of 8373915648 is 8465193738.

8373915648 is a `hidden beast` number, since 8 + 3 + 73 + 9 + 1 + 564 + 8 = 666.

It is a super-3 number, since 3×8373915648³ (a number of 31 digits) contains 333 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 8373915594 and 8373915603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22449990 + ... + 22450362.

Almost surely, 2^8373915648 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 8373915648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14704483200).

8373915648 is an abundant number, since it is smaller than the sum of its proper divisors (21035050752).

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

8373915648 is a wasteful number, since it uses less digits than its factorization.

8373915648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442 (or 414 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 8373915648 is about 91509.1014489816. The cubic root of 8373915648 is about 2030.6864017075.

The spelling of 8373915648 in words is "eight billion, three hundred seventy-three million, nine hundred fifteen thousand, six hundred forty-eight".