80464005 has 24 divisors (see below), whose sum is σ = 145536768. Its totient is φ = 41047776.

The previous prime is 80463991. The next prime is 80464039. The reversal of 80464005 is 50046408.

It is not a de Polignac number, because 80464005 - 2¹⁰ = 80462981 is a prime.

It is a super-2 number, since 2×80464005² = 12948912201280050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80464005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37837 + ... + 39906.

It is an arithmetic number, because the mean of its divisors is an integer number (6064032).

Almost surely, 2^80464005 is an apocalyptic number.

It is an amenable number.

80464005 is a deficient number, since it is larger than the sum of its proper divisors (65072763).

80464005 is a wasteful number, since it uses less digits than its factorization.

80464005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77777 (or 77774 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 80464005 is about 8970.1730752533. The cubic root of 80464005 is about 431.7183896388.

The spelling of 80464005 in words is "eighty million, four hundred sixty-four thousand, five".