80810930 has 8 divisors (see below), whose sum is σ = 145459692. Its totient is φ = 32324368.

The previous prime is 80810929. The next prime is 80810941. The reversal of 80810930 is 3901808.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 72267001 + 8543929 = 8501^2 + 2923^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 80810893 and 80810902.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4040537 + ... + 4040556.

Almost surely, 2^80810930 is an apocalyptic number.

80810930 is a deficient number, since it is larger than the sum of its proper divisors (64648762).

80810930 is a wasteful number, since it uses less digits than its factorization.

80810930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8081100.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 80810930 is about 8989.4899744090. The cubic root of 80810930 is about 432.3379592779.

The spelling of 80810930 in words is "eighty million, eight hundred ten thousand, nine hundred thirty".