84745821330 has 24 divisors (see below), whose sum is σ = 220339135692. Its totient is φ = 22598885664.

The previous prime is 84745821323. The next prime is 84745821331. The reversal of 84745821330 is 3312854748.

It can be written as a sum of positive squares in 2 ways, for example, as 83364435441 + 1381385889 = 288729^2 + 37167^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (84745821331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 470810029 + ... + 470810208.

Almost surely, 2^84745821330 is an apocalyptic number.

84745821330 is an abundant number, since it is smaller than the sum of its proper divisors (135593314362).

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

84745821330 is a wasteful number, since it uses less digits than its factorization.

84745821330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941620250 (or 941620247 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 84745821330 in words is "eighty-four billion, seven hundred forty-five million, eight hundred twenty-one thousand, three hundred thirty".