80669408211 has 24 divisors (see below), whose sum is σ = 133221014784. Its totient is φ = 46078642800.

The previous prime is 80669408201. The next prime is 80669408227. The reversal of 80669408211 is 11280496608.

It is not a de Polignac number, because 80669408211 - 2¹⁴ = 80669391827 is a prime.

It is a super-2 number, since 2×80669408211² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80669408201) 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 23 ways as a sum of consecutive naturals, for example, 90261 + ... + 411686.

It is an arithmetic number, because the mean of its divisors is an integer number (5550875616).

Almost surely, 2^80669408211 is an apocalyptic number.

80669408211 is a deficient number, since it is larger than the sum of its proper divisors (52551606573).

80669408211 is a wasteful number, since it uses less digits than its factorization.

80669408211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504511 (or 504508 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 80669408211 in words is "eighty billion, six hundred sixty-nine million, four hundred eight thousand, two hundred eleven".