80906065 has 8 divisors (see below), whose sum is σ = 101308608. Its totient is φ = 61910640.

The previous prime is 80906057. The next prime is 80906071. The reversal of 80906065 is 56060908.

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

It is not a de Polignac number, because 80906065 - 2³ = 80906057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80906065.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351651 + ... + 351880.

It is an arithmetic number, because the mean of its divisors is an integer number (12663576).

Almost surely, 2^80906065 is an apocalyptic number.

It is an amenable number.

80906065 is a deficient number, since it is larger than the sum of its proper divisors (20402543).

80906065 is a wasteful number, since it uses less digits than its factorization.

80906065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703559.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 80906065 is about 8994.7798750164. The cubic root of 80906065 is about 432.5075499590.

The spelling of 80906065 in words is "eighty million, nine hundred six thousand, sixty-five".