80695169 has 4 divisors (see below), whose sum is σ = 81146160. Its totient is φ = 80244180.

The previous prime is 80695159. The next prime is 80695171. The reversal of 80695169 is 96159608.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80695169 is a prime.

It is a super-2 number, since 2×80695169² = 13023420599877122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80695129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225227 + ... + 225584.

It is an arithmetic number, because the mean of its divisors is an integer number (20286540).

Almost surely, 2^80695169 is an apocalyptic number.

It is an amenable number.

80695169 is a deficient number, since it is larger than the sum of its proper divisors (450991).

80695169 is a wasteful number, since it uses less digits than its factorization.

80695169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450990.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 80695169 is about 8983.0489812758. The cubic root of 80695169 is about 432.1314204213.

The spelling of 80695169 in words is "eighty million, six hundred ninety-five thousand, one hundred sixty-nine".