8336121678720 has 1024 divisors, whose sum is σ = 33386235264000. Its totient is φ = 1947219886080.

The previous prime is 8336121678697. The next prime is 8336121678743. The reversal of 8336121678720 is 278761216338.

It is a happy number.

8336121678720 is a `hidden beast` number, since 8 + 3 + 3 + 612 + 16 + 7 + 8 + 7 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (8336121678697) and next prime (8336121678743).

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 127 ways as a sum of consecutive naturals, for example, 3379050927 + ... + 3379053393.

It is an arithmetic number, because the mean of its divisors is an integer number (32603745375).

Almost surely, 2^{8336121678720} is an apocalyptic number.

8336121678720 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 8336121678720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16693117632000).

8336121678720 is an abundant number, since it is smaller than the sum of its proper divisors (25050113585280).

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

8336121678720 is a wasteful number, since it uses less digits than its factorization.

8336121678720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3148 (or 3130 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 8336121678720 in words is "eight trillion, three hundred thirty-six billion, one hundred twenty-one million, six hundred seventy-eight thousand, seven hundred twenty".