80694895 has 4 divisors (see below), whose sum is σ = 96833880. Its totient is φ = 64555912.

The previous prime is 80694877. The next prime is 80694899. The reversal of 80694895 is 59849608.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80694895 - 2⁵ = 80694863 is a prime.

It is a super-3 number, since 3×80694895³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (49) 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 not an unprimeable number, because it can be changed into a prime (80694899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8069485 + ... + 8069494.

It is an arithmetic number, because the mean of its divisors is an integer number (24208470).

Almost surely, 2^80694895 is an apocalyptic number.

80694895 is a deficient number, since it is larger than the sum of its proper divisors (16138985).

80694895 is a wasteful number, since it uses less digits than its factorization.

80694895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16138984.

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 80694895 is about 8983.0337303163. The cubic root of 80694895 is about 432.1309313208.

The spelling of 80694895 in words is "eighty million, six hundred ninety-four thousand, eight hundred ninety-five".