8750321280 has 96 divisors (see below), whose sum is σ = 30215973060. Its totient is φ = 2333417472.

The previous prime is 8750321269. The next prime is 8750321347. The reversal of 8750321280 is 821230578.

8750321280 is a `hidden beast` number, since 8 + 7 + 50 + 321 + 280 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7328729664 + 1421591616 = 85608^2 + 37704^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 753817 + ... + 765336.

Almost surely, 2^8750321280 is an apocalyptic number.

8750321280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8750321280 is an abundant number, since it is smaller than the sum of its proper divisors (21465651780).

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

8750321280 is a wasteful number, since it uses less digits than its factorization.

8750321280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519178 (or 1519163 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 8750321280 is about 93543.1519674209. The cubic root of 8750321280 is about 2060.6678702916.

The spelling of 8750321280 in words is "eight billion, seven hundred fifty million, three hundred twenty-one thousand, two hundred eighty".