80718906 has 32 divisors (see below), whose sum is σ = 165628800. Its totient is φ = 26216960.

The previous prime is 80718857. The next prime is 80718917. The reversal of 80718906 is 60981708.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36850 + ... + 38978.

It is an arithmetic number, because the mean of its divisors is an integer number (5175900).

Almost surely, 2^80718906 is an apocalyptic number.

80718906 is an abundant number, since it is smaller than the sum of its proper divisors (84909894).

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

80718906 is a wasteful number, since it uses less digits than its factorization.

80718906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294.

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 80718906 is about 8984.3700947813. The cubic root of 80718906 is about 432.1737876742.

The spelling of 80718906 in words is "eighty million, seven hundred eighteen thousand, nine hundred six".