80870406 has 8 divisors (see below), whose sum is σ = 161740824. Its totient is φ = 26956800.

The previous prime is 80870399. The next prime is 80870417. The reversal of 80870406 is 60407808.

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

80870406 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6739195 + ... + 6739206.

It is an arithmetic number, because the mean of its divisors is an integer number (20217603).

Almost surely, 2^80870406 is an apocalyptic number.

80870406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80870406 is a wasteful number, since it uses less digits than its factorization.

80870406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13478406.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 80870406 is about 8992.7974512940. The cubic root of 80870406 is about 432.4439986742.

The spelling of 80870406 in words is "eighty million, eight hundred seventy thousand, four hundred six".