80806894 has 16 divisors (see below), whose sum is σ = 142995456. Its totient is φ = 33514200.

The previous prime is 80806879. The next prime is 80806903. The reversal of 80806894 is 49860808.

It is a self number, because there is not a number n which added to its sum of digits gives 80806894.

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 7 ways as a sum of consecutive naturals, for example, 92662 + ... + 93529.

It is an arithmetic number, because the mean of its divisors is an integer number (8937216).

Almost surely, 2^80806894 is an apocalyptic number.

80806894 is a deficient number, since it is larger than the sum of its proper divisors (62188562).

80806894 is a wasteful number, since it uses less digits than its factorization.

80806894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186231.

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 80806894 is about 8989.2654872353. The cubic root of 80806894 is about 432.3307616334.

The spelling of 80806894 in words is "eighty million, eight hundred six thousand, eight hundred ninety-four".