80430839 has 8 divisors (see below), whose sum is σ = 85512672. Its totient is φ = 75481120.

The previous prime is 80430829. The next prime is 80430871. The reversal of 80430839 is 93803408.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80430839 - 2¹² = 80426743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80430799 and 80430808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80430809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31772 + ... + 34209.

It is an arithmetic number, because the mean of its divisors is an integer number (10689084).

Almost surely, 2^80430839 is an apocalyptic number.

80430839 is a deficient number, since it is larger than the sum of its proper divisors (5081833).

80430839 is a wasteful number, since it uses less digits than its factorization.

80430839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66057.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 80430839 is about 8968.3242024360. The cubic root of 80430839 is about 431.6590656390.

The spelling of 80430839 in words is "eighty million, four hundred thirty thousand, eight hundred thirty-nine".