80695065 has 16 divisors (see below), whose sum is σ = 140849856. Its totient is φ = 39124800.

The previous prime is 80695057. The next prime is 80695091. The reversal of 80695065 is 56059608.

It is not a de Polignac number, because 80695065 - 2³ = 80695057 is a prime.

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, 244366 + ... + 244695.

It is an arithmetic number, because the mean of its divisors is an integer number (8803116).

Almost surely, 2^80695065 is an apocalyptic number.

It is an amenable number.

80695065 is a deficient number, since it is larger than the sum of its proper divisors (60154791).

80695065 is a wasteful number, since it uses less digits than its factorization.

80695065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489080.

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 80695065 is about 8983.0431925935. The cubic root of 80695065 is about 432.1312347774.

The spelling of 80695065 in words is "eighty million, six hundred ninety-five thousand, sixty-five".