80290471 has 4 divisors (see below), whose sum is σ = 80493112. Its totient is φ = 80087832.

The previous prime is 80290451. The next prime is 80290477. The reversal of 80290471 is 17409208.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80290471 is a prime.

It is a super-3 number, since 3×80290471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80290477) 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, 100725 + ... + 101518.

It is an arithmetic number, because the mean of its divisors is an integer number (20123278).

Almost surely, 2^80290471 is an apocalyptic number.

80290471 is a deficient number, since it is larger than the sum of its proper divisors (202641).

80290471 is a wasteful number, since it uses less digits than its factorization.

80290471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202640.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 80290471 is about 8960.4950198078. The cubic root of 80290471 is about 431.4078087721.

Adding to 80290471 its reverse (17409208), we get a palindrome (97699679).

The spelling of 80290471 in words is "eighty million, two hundred ninety thousand, four hundred seventy-one".