80365753828 has 24 divisors (see below), whose sum is σ = 148947741432. Its totient is φ = 37810358784.

The previous prime is 80365753729. The next prime is 80365753829. The reversal of 80365753828 is 82835756308.

It can be written as a sum of positive squares in 4 ways, for example, as 47645285284 + 32720468544 = 218278^2 + 180888^2 .

It is not an unprimeable number, because it can be changed into a prime (80365753829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160650 + ... + 431902.

It is an arithmetic number, because the mean of its divisors is an integer number (6206155893).

Almost surely, 2^80365753828 is an apocalyptic number.

It is an amenable number.

80365753828 is a deficient number, since it is larger than the sum of its proper divisors (68581987604).

80365753828 is a wasteful number, since it uses less digits than its factorization.

80365753828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275631 (or 275629 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 55.

The spelling of 80365753828 in words is "eighty billion, three hundred sixty-five million, seven hundred fifty-three thousand, eight hundred twenty-eight".