5267991785 has 16 divisors (see below), whose sum is σ = 7226088192. Its totient is φ = 3611630400.

The previous prime is 5267991779. The next prime is 5267991793. The reversal of 5267991785 is 5871997625.

It is not a de Polignac number, because 5267991785 - 2²² = 5263797481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218900 + ... + 241770.

It is an arithmetic number, because the mean of its divisors is an integer number (451630512).

Almost surely, 2^5267991785 is an apocalyptic number.

It is an amenable number.

5267991785 is a deficient number, since it is larger than the sum of its proper divisors (1958096407).

5267991785 is a wasteful number, since it uses less digits than its factorization.

5267991785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29464.

The product of its digits is 9525600, while the sum is 59.

The square root of 5267991785 is about 72580.9326545202. The cubic root of 5267991785 is about 1739.9964531790.

The spelling of 5267991785 in words is "five billion, two hundred sixty-seven million, nine hundred ninety-one thousand, seven hundred eighty-five".