80803055777530 has 64 divisors (see below), whose sum is σ = 154180373387040. Its totient is φ = 30384577142784.

The previous prime is 80803055777471. The next prime is 80803055777531. The reversal of 80803055777530 is 3577755030808.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 65120687528121 + 15682368249409 = 8069739^2 + 3960097^2 .

It is not an unprimeable number, because it can be changed into a prime (80803055777531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 954749256 + ... + 954833884.

Almost surely, 2^{80803055777530} is an apocalyptic number.

80803055777530 is a deficient number, since it is larger than the sum of its proper divisors (73377317609510).

80803055777530 is a wasteful number, since it uses less digits than its factorization.

80803055777530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91123.

The product of its (nonzero) digits is 24696000, while the sum is 58.

The spelling of 80803055777530 in words is "eighty trillion, eight hundred three billion, fifty-five million, seven hundred seventy-seven thousand, five hundred thirty".