80323789 has 12 divisors (see below), whose sum is σ = 100626204. Its totient is φ = 63552384.

The previous prime is 80323757. The next prime is 80323813. The reversal of 80323789 is 98732308.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20385225 + 59938564 = 4515^2 + 7742^2 .

It is not a de Polignac number, because 80323789 - 2⁵ = 80323757 is a prime.

It is a super-2 number, since 2×80323789² = 12903822158633042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80323739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62412 + ... + 63685.

It is an arithmetic number, because the mean of its divisors is an integer number (8385517).

Almost surely, 2^80323789 is an apocalyptic number.

It is an amenable number.

80323789 is a deficient number, since it is larger than the sum of its proper divisors (20302415).

80323789 is a wasteful number, since it uses less digits than its factorization.

80323789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126124 (or 126117 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 80323789 is about 8962.3539876530. The cubic root of 80323789 is about 431.4674740410.

The spelling of 80323789 in words is "eighty million, three hundred twenty-three thousand, seven hundred eighty-nine".