8653001280 has 896 divisors, whose sum is σ = 37009059840. Its totient is φ = 1658880000.

The previous prime is 8653001267. The next prime is 8653001321. The reversal of 8653001280 is 821003568.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 85673230 + ... + 85673330.

Almost surely, 2^8653001280 is an apocalyptic number.

8653001280 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 8653001280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18504529920).

8653001280 is an abundant number, since it is smaller than the sum of its proper divisors (28356058560).

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

8653001280 is a wasteful number, since it uses less digits than its factorization.

8653001280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 8653001280 is about 93021.5097705902. The cubic root of 8653001280 is about 2052.9998736993. Note that the first 3 decimals are identical.

The spelling of 8653001280 in words is "eight billion, six hundred fifty-three million, one thousand, two hundred eighty".