4999806987 has 8 divisors (see below), whose sum is σ = 7618753536. Its totient is φ = 2857032552.

The previous prime is 4999806979. The next prime is 4999806997. The reversal of 4999806987 is 7896089994.

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

It is not a de Polignac number, because 4999806987 - 2³ = 4999806979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4999806997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119043003 + ... + 119043044.

It is an arithmetic number, because the mean of its divisors is an integer number (952344192).

Almost surely, 2^4999806987 is an apocalyptic number.

4999806987 is a deficient number, since it is larger than the sum of its proper divisors (2618946549).

4999806987 is a wasteful number, since it uses less digits than its factorization.

4999806987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238086057.

The product of its (nonzero) digits is 70543872, while the sum is 69.

The square root of 4999806987 is about 70709.3132974716. The cubic root of 4999806987 is about 1709.9539432211.

The spelling of 4999806987 in words is "four billion, nine hundred ninety-nine million, eight hundred six thousand, nine hundred eighty-seven".