80247469 has 4 divisors (see below), whose sum is σ = 84471040. Its totient is φ = 76023900.

The previous prime is 80247467. The next prime is 80247509. The reversal of 80247469 is 96474208.

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 not a de Polignac number, because 80247469 - 2¹ = 80247467 is a prime.

It is a super-2 number, since 2×80247469² = 12879312561811922, which contains 22 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 (80247467) 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, 2111757 + ... + 2111794.

It is an arithmetic number, because the mean of its divisors is an integer number (21117760).

Almost surely, 2^80247469 is an apocalyptic number.

It is an amenable number.

80247469 is a deficient number, since it is larger than the sum of its proper divisors (4223571).

80247469 is a wasteful number, since it uses less digits than its factorization.

80247469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4223570.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 80247469 is about 8958.0951658263. The cubic root of 80247469 is about 431.3307771673.

The spelling of 80247469 in words is "eighty million, two hundred forty-seven thousand, four hundred sixty-nine".