1008700985 has 8 divisors (see below), whose sum is σ = 1214100096. Its totient is φ = 804521520.

The previous prime is 1008700969. The next prime is 1008700999. The reversal of 1008700985 is 5890078001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1008700985 - 2⁴ = 1008700969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 303089 + ... + 306398.

It is an arithmetic number, because the mean of its divisors is an integer number (151762512).

Almost surely, 2^1008700985 is an apocalyptic number.

It is an amenable number.

1008700985 is a deficient number, since it is larger than the sum of its proper divisors (205399111).

1008700985 is an equidigital number, since it uses as much as digits as its factorization.

1008700985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609823.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 1008700985 is about 31760.0532902576. The cubic root of 1008700985 is about 1002.8919568567.

Adding to 1008700985 its reverse (5890078001), we get a palindrome (6898778986).

The spelling of 1008700985 in words is "one billion, eight million, seven hundred thousand, nine hundred eighty-five".