80399006 has 4 divisors (see below), whose sum is σ = 120598512. Its totient is φ = 40199502.

The previous prime is 80399003. The next prime is 80399021. The reversal of 80399006 is 60099308.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80399003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20099750 + ... + 20099753.

It is an arithmetic number, because the mean of its divisors is an integer number (30149628).

Almost surely, 2^80399006 is an apocalyptic number.

80399006 is a deficient number, since it is larger than the sum of its proper divisors (40199506).

80399006 is a wasteful number, since it uses less digits than its factorization.

80399006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40199505.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 80399006 is about 8966.5492805203. The cubic root of 80399006 is about 431.6021106352.

The spelling of 80399006 in words is "eighty million, three hundred ninety-nine thousand, six".