1005880499 has 4 divisors (see below), whose sum is σ = 1083255936. Its totient is φ = 928505064.

The previous prime is 1005880493. The next prime is 1005880523. The reversal of 1005880499 is 9940885001.

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-1005880499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1005880493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38687699 + ... + 38687724.

It is an arithmetic number, because the mean of its divisors is an integer number (270813984).

Almost surely, 2^1005880499 is an apocalyptic number.

1005880499 is a deficient number, since it is larger than the sum of its proper divisors (77375437).

1005880499 is an equidigital number, since it uses as much as digits as its factorization.

1005880499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77375436.

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 1005880499 is about 31715.6191646955. The cubic root of 1005880499 is about 1001.9563365847.

The spelling of 1005880499 in words is "one billion, five million, eight hundred eighty thousand, four hundred ninety-nine".