80199471 has 32 divisors (see below), whose sum is σ = 121605120. Its totient is φ = 46569600.

The previous prime is 80199443. The next prime is 80199491. The reversal of 80199471 is 17499108.

It is a happy number.

It is not a de Polignac number, because 80199471 - 2⁵ = 80199439 is a prime.

It is a super-3 number, since 3×80199471³ (a number of 25 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (39) 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 (80199491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172986 + ... + 173448.

It is an arithmetic number, because the mean of its divisors is an integer number (3800160).

Almost surely, 2^80199471 is an apocalyptic number.

80199471 is a deficient number, since it is larger than the sum of its proper divisors (41405649).

80199471 is a wasteful number, since it uses less digits than its factorization.

80199471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 80199471 is about 8955.4157357434. The cubic root of 80199471 is about 431.2447634735.

The spelling of 80199471 in words is "eighty million, one hundred ninety-nine thousand, four hundred seventy-one".