80884561530 has 32 divisors (see below), whose sum is σ = 195359410944. Its totient is φ = 21431831616.

The previous prime is 80884561501. The next prime is 80884561573. The reversal of 80884561530 is 3516548808.

It is a self number, because there is not a number n which added to its sum of digits gives 80884561530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8581762 + ... + 8591181.

It is an arithmetic number, because the mean of its divisors is an integer number (6104981592).

Almost surely, 2^80884561530 is an apocalyptic number.

80884561530 is an abundant number, since it is smaller than the sum of its proper divisors (114474849414).

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

80884561530 is a wasteful number, since it uses less digits than its factorization.

80884561530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17173110.

The product of its (nonzero) digits is 921600, while the sum is 48.

The spelling of 80884561530 in words is "eighty billion, eight hundred eighty-four million, five hundred sixty-one thousand, five hundred thirty".