80829340 has 12 divisors (see below), whose sum is σ = 169741656. Its totient is φ = 32331728.

The previous prime is 80829289. The next prime is 80829341. The reversal of 80829340 is 4392808.

It is a junction number, because it is equal to n+sod(n) for n = 80829296 and 80829305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80829341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2020714 + ... + 2020753.

It is an arithmetic number, because the mean of its divisors is an integer number (14145138).

Almost surely, 2^80829340 is an apocalyptic number.

It is an amenable number.

80829340 is an abundant number, since it is smaller than the sum of its proper divisors (88912316).

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

80829340 is a wasteful number, since it uses less digits than its factorization.

80829340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4041476 (or 4041474 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 80829340 is about 8990.5138896506. The cubic root of 80829340 is about 432.3707879126.

The spelling of 80829340 in words is "eighty million, eight hundred twenty-nine thousand, three hundred forty".