8673955355520 has 4096 divisors, whose sum is σ = 41754811392000. Its totient is φ = 1651129712640.

The previous prime is 8673955355489. The next prime is 8673955355531. The reversal of 8673955355520 is 255535593768.

8673955355520 is a `hidden beast` number, since 8 + 6 + 7 + 3 + 9 + 5 + 53 + 55 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 89422220112 + ... + 89422220208.

It is an arithmetic number, because the mean of its divisors is an integer number (10194045750).

Almost surely, 2^{8673955355520} is an apocalyptic number.

8673955355520 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 8673955355520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20877405696000).

8673955355520 is an abundant number, since it is smaller than the sum of its proper divisors (33080856036480).

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

8673955355520 is a wasteful number, since it uses less digits than its factorization.

8673955355520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 170100000, while the sum is 63.

The spelling of 8673955355520 in words is "eight trillion, six hundred seventy-three billion, nine hundred fifty-five million, three hundred fifty-five thousand, five hundred twenty".