80240663 has 4 divisors (see below), whose sum is σ = 84960720. Its totient is φ = 75520608.

The previous prime is 80240653. The next prime is 80240701. The reversal of 80240663 is 36604208.

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

It is a cyclic number.

It is not a de Polignac number, because 80240663 - 2²⁴ = 63463447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80240603) 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, 2360003 + ... + 2360036.

It is an arithmetic number, because the mean of its divisors is an integer number (21240180).

Almost surely, 2^80240663 is an apocalyptic number.

80240663 is a deficient number, since it is larger than the sum of its proper divisors (4720057).

80240663 is a wasteful number, since it uses less digits than its factorization.

80240663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4720056.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 80240663 is about 8957.7152779043. The cubic root of 80240663 is about 431.3185827213.

The spelling of 80240663 in words is "eighty million, two hundred forty thousand, six hundred sixty-three".