80408831 has 8 divisors (see below), whose sum is σ = 82694304. Its totient is φ = 78138880.

The previous prime is 80408821. The next prime is 80408863. The reversal of 80408831 is 13880408.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80408831 is a prime.

It is a super-2 number, since 2×80408831² = 12931160205573122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80408821) 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 7 ways as a sum of consecutive naturals, for example, 7055 + ... + 14511.

It is an arithmetic number, because the mean of its divisors is an integer number (10336788).

Almost surely, 2^80408831 is an apocalyptic number.

80408831 is a deficient number, since it is larger than the sum of its proper divisors (2285473).

80408831 is a wasteful number, since it uses less digits than its factorization.

80408831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7761.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 80408831 is about 8967.0971334095. The cubic root of 80408831 is about 431.6196909438.

The spelling of 80408831 in words is "eighty million, four hundred eight thousand, eight hundred thirty-one".