80836262905 has 16 divisors (see below), whose sum is σ = 97218616320. Its totient is φ = 64525735872.

The previous prime is 80836262893. The next prime is 80836262953. The reversal of 80836262905 is 50926263808.

It is a cyclic number.

It is not a de Polignac number, because 80836262905 - 2¹⁷ = 80836131833 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6151452 + ... + 6164578.

It is an arithmetic number, because the mean of its divisors is an integer number (6076163520).

Almost surely, 2^80836262905 is an apocalyptic number.

It is an amenable number.

80836262905 is a deficient number, since it is larger than the sum of its proper divisors (16382353415).

80836262905 is a wasteful number, since it uses less digits than its factorization.

80836262905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15768.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 80836262905 in words is "eighty billion, eight hundred thirty-six million, two hundred sixty-two thousand, nine hundred five".