80429029 has 6 divisors (see below), whose sum is σ = 81261510. Its totient is φ = 79598376.

The previous prime is 80429021. The next prime is 80429047. The reversal of 80429029 is 92092408.

It can be written as a sum of positive squares in only one way, i.e., 73788100 + 6640929 = 8590^2 + 2577^2 .

It is not a de Polignac number, because 80429029 - 2³ = 80429021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80428985 and 80429003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80429021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 93202 + ... + 94060.

It is an arithmetic number, because the mean of its divisors is an integer number (13543585).

Almost surely, 2^80429029 is an apocalyptic number.

It is an amenable number.

80429029 is a deficient number, since it is larger than the sum of its proper divisors (832481).

80429029 is an frugal number, since it uses more digits than its factorization.

80429029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827 (or 968 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 80429029 is about 8968.2232911542. The cubic root of 80429029 is about 431.6558276241.

It can be divided in two parts, 8042 and 9029, that added together give a palindrome (17071).

The spelling of 80429029 in words is "eighty million, four hundred twenty-nine thousand, twenty-nine".