80584837402969 has 8 divisors (see below), whose sum is σ = 81076814916552. Its totient is φ = 80093373707520.

The previous prime is 80584837402963. The next prime is 80584837402981. The reversal of 80584837402969 is 96920473848508.

It can be written as a sum of positive squares in 4 ways, for example, as 1183282732944 + 79401554670025 = 1087788^2 + 8910755^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80584837402969 - 2⁷ = 80584837402841 is a prime.

It is a super-2 number, since 2×80584837402969² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80584837402963) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 128139904 + ... + 128767249.

It is an arithmetic number, because the mean of its divisors is an integer number (10134601864569).

Almost surely, 2^{80584837402969} is an apocalyptic number.

It is an amenable number.

80584837402969 is a deficient number, since it is larger than the sum of its proper divisors (491977513583).

80584837402969 is a wasteful number, since it uses less digits than its factorization.

80584837402969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256909067.

The product of its (nonzero) digits is 836075520, while the sum is 73.

The spelling of 80584837402969 in words is "eighty trillion, five hundred eighty-four billion, eight hundred thirty-seven million, four hundred two thousand, nine hundred sixty-nine".