4981118787 has 16 divisors (see below), whose sum is σ = 7385518080. Its totient is φ = 3318008616.

The previous prime is 4981118783. The next prime is 4981118827. The reversal of 4981118787 is 7878111894.

It is not a de Polignac number, because 4981118787 - 2² = 4981118783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4981118783) 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 15 ways as a sum of consecutive naturals, for example, 42403 + ... + 108444.

It is an arithmetic number, because the mean of its divisors is an integer number (461594880).

Almost surely, 2^4981118787 is an apocalyptic number.

4981118787 is a deficient number, since it is larger than the sum of its proper divisors (2404399293).

4981118787 is a wasteful number, since it uses less digits than its factorization.

4981118787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152079 (or 152073 counting only the distinct ones).

The product of its digits is 903168, while the sum is 54.

The square root of 4981118787 is about 70577.0415007600. The cubic root of 4981118787 is about 1707.8208036100.

The spelling of 4981118787 in words is "four billion, nine hundred eighty-one million, one hundred eighteen thousand, seven hundred eighty-seven".