80155969792 has 36 divisors (see below), whose sum is σ = 161220262896. Its totient is φ = 39772029440.

The previous prime is 80155969783. The next prime is 80155969793. The reversal of 80155969792 is 29796955108.

It is a self number, because there is not a number n which added to its sum of digits gives 80155969792.

It is not an unprimeable number, because it can be changed into a prime (80155969793) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1161538 + ... + 1228609.

It is an arithmetic number, because the mean of its divisors is an integer number (4478340636).

Almost surely, 2^80155969792 is an apocalyptic number.

It is an amenable number.

80155969792 is an abundant number, since it is smaller than the sum of its proper divisors (81064293104).

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

80155969792 is a wasteful number, since it uses less digits than its factorization.

80155969792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390294 (or 2390280 counting only the distinct ones).

The product of its (nonzero) digits is 12247200, while the sum is 61.

The spelling of 80155969792 in words is "eighty billion, one hundred fifty-five million, nine hundred sixty-nine thousand, seven hundred ninety-two".