80934818 has 4 divisors (see below), whose sum is σ = 121402230. Its totient is φ = 40467408.

The previous prime is 80934811. The next prime is 80934839. The reversal of 80934818 is 81843908.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 51308569 + 29626249 = 7163^2 + 5443^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80934811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20233703 + ... + 20233706.

Almost surely, 2^80934818 is an apocalyptic number.

80934818 is a deficient number, since it is larger than the sum of its proper divisors (40467412).

80934818 is a wasteful number, since it uses less digits than its factorization.

80934818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40467411.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 80934818 is about 8996.3780489706. The cubic root of 80934818 is about 432.5587798088.

The spelling of 80934818 in words is "eighty million, nine hundred thirty-four thousand, eight hundred eighteen".