80389507436 has 24 divisors (see below), whose sum is σ = 161481119520. Its totient is φ = 34302195072.

The previous prime is 80389507421. The next prime is 80389507439. The reversal of 80389507436 is 63470598308.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (80389507439) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6262265 + ... + 6275088.

It is an arithmetic number, because the mean of its divisors is an integer number (6728379980).

Almost surely, 2^80389507436 is an apocalyptic number.

It is an amenable number.

80389507436 is an abundant number, since it is smaller than the sum of its proper divisors (81091612084).

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

80389507436 is a wasteful number, since it uses less digits than its factorization.

80389507436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12537593 (or 12537591 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 80389507436 in words is "eighty billion, three hundred eighty-nine million, five hundred seven thousand, four hundred thirty-six".