80736850553 has 2 divisors, whose sum is σ = 80736850554. Its totient is φ = 80736850552.

The previous prime is 80736850429. The next prime is 80736850567. The reversal of 80736850553 is 35505863708.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51498586489 + 29238264064 = 226933^2 + 170992^2 .

It is a cyclic number.

It is not a de Polignac number, because 80736850553 - 2¹⁴ = 80736834169 is a prime.

It is not a weakly prime, because it can be changed into another prime (80736850253) 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 as a sum of consecutive naturals, namely, 40368425276 + 40368425277.

It is an arithmetic number, because the mean of its divisors is an integer number (40368425277).

Almost surely, 2^80736850553 is an apocalyptic number.

It is an amenable number.

80736850553 is a deficient number, since it is larger than the sum of its proper divisors (1).

80736850553 is an equidigital number, since it uses as much as digits as its factorization.

80736850553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024000, while the sum is 50.

The spelling of 80736850553 in words is "eighty billion, seven hundred thirty-six million, eight hundred fifty thousand, five hundred fifty-three".