10087849891 has 4 divisors (see below), whose sum is σ = 11528971312. Its totient is φ = 8646728472.

The previous prime is 10087849853. The next prime is 10087849907. The reversal of 10087849891 is 19894878001.

10087849891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10087849891 - 2⁷ = 10087849763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10087849591) 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, 720560700 + ... + 720560713.

It is an arithmetic number, because the mean of its divisors is an integer number (2882242828).

Almost surely, 2^10087849891 is an apocalyptic number.

10087849891 is a deficient number, since it is larger than the sum of its proper divisors (1441121421).

10087849891 is an equidigital number, since it uses as much as digits as its factorization.

10087849891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441121420.

The product of its (nonzero) digits is 1161216, while the sum is 55.

The spelling of 10087849891 in words is "ten billion, eighty-seven million, eight hundred forty-nine thousand, eight hundred ninety-one".