80840006 has 16 divisors (see below), whose sum is σ = 132731088. Its totient is φ = 36698400.

The previous prime is 80839991. The next prime is 80840027. The reversal of 80840006 is 60004808.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23900 + ... + 27071.

It is an arithmetic number, because the mean of its divisors is an integer number (8295693).

Almost surely, 2^80840006 is an apocalyptic number.

80840006 is a deficient number, since it is larger than the sum of its proper divisors (51891082).

80840006 is a wasteful number, since it uses less digits than its factorization.

80840006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51047.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 80840006 is about 8991.1070508586. The cubic root of 80840006 is about 432.3898051984.

The spelling of 80840006 in words is "eighty million, eight hundred forty thousand, six".