4887997915 has 4 divisors (see below), whose sum is σ = 5865597504. Its totient is φ = 3910398328.

The previous prime is 4887997841. The next prime is 4887997949. The reversal of 4887997915 is 5197997884.

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 4887997915 - 2⁷ = 4887997787 is a prime.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488799787 + ... + 488799796.

It is an arithmetic number, because the mean of its divisors is an integer number (1466399376).

Almost surely, 2^4887997915 is an apocalyptic number.

4887997915 is a deficient number, since it is larger than the sum of its proper divisors (977599589).

4887997915 is an equidigital number, since it uses as much as digits as its factorization.

4887997915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977599588.

The product of its digits is 45722880, while the sum is 67.

The square root of 4887997915 is about 69914.2182606657. The cubic root of 4887997915 is about 1697.1113475325. Note that the first 3 decimals are identical.

The spelling of 4887997915 in words is "four billion, eight hundred eighty-seven million, nine hundred ninety-seven thousand, nine hundred fifteen".