80831833837 has 2 divisors, whose sum is σ = 80831833838. Its totient is φ = 80831833836.

The previous prime is 80831833829. The next prime is 80831833871. The reversal of 80831833837 is 73833813808.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77276216196 + 3555617641 = 277986^2 + 59629^2 .

It is a cyclic number.

It is not a de Polignac number, because 80831833837 - 2³ = 80831833829 is a prime.

It is a super-2 number, since 2×80831833837² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80831833877) 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 as a sum of consecutive naturals, namely, 40415916918 + 40415916919.

It is an arithmetic number, because the mean of its divisors is an integer number (40415916919).

Almost surely, 2^80831833837 is an apocalyptic number.

It is an amenable number.

80831833837 is a deficient number, since it is larger than the sum of its proper divisors (1).

80831833837 is an equidigital number, since it uses as much as digits as its factorization.

80831833837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 80831833837 in words is "eighty billion, eight hundred thirty-one million, eight hundred thirty-three thousand, eight hundred thirty-seven".