80829738 has 80 divisors (see below), whose sum is σ = 200829024. Its totient is φ = 24092640.

The previous prime is 80829733. The next prime is 80829739. The reversal of 80829738 is 83792808.

It is a junction number, because it is equal to n+sod(n) for n = 80829693 and 80829702.

It is not an unprimeable number, because it can be changed into a prime (80829733) 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 39 ways as a sum of consecutive naturals, for example, 119056 + ... + 119732.

Almost surely, 2^80829738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80829738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100414512).

80829738 is an abundant number, since it is smaller than the sum of its proper divisors (119999286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80829738 is a wasteful number, since it uses less digits than its factorization.

80829738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 80829738 is about 8990.5360240644. The cubic root of 80829738 is about 432.3714975694.

The spelling of 80829738 in words is "eighty million, eight hundred twenty-nine thousand, seven hundred thirty-eight".