80264322261 has 24 divisors (see below), whose sum is σ = 117150793760. Its totient is φ = 52950757536.

The previous prime is 80264322251. The next prime is 80264322263. The reversal of 80264322261 is 16222346208.

80264322261 is a `hidden beast` number, since 8 + 0 + 2 + 643 + 2 + 2 + 2 + 6 + 1 = 666.

It is not a de Polignac number, because 80264322261 - 2⁹ = 80264321749 is a prime.

It is a super-2 number, since 2×80264322261² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80264322263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 720066 + ... + 824028.

Almost surely, 2^80264322261 is an apocalyptic number.

It is an amenable number.

80264322261 is a deficient number, since it is larger than the sum of its proper divisors (36886471499).

80264322261 is a wasteful number, since it uses less digits than its factorization.

80264322261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104865 (or 104862 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

Adding to 80264322261 its reverse (16222346208), we get a palindrome (96486668469).

The spelling of 80264322261 in words is "eighty billion, two hundred sixty-four million, three hundred twenty-two thousand, two hundred sixty-one".