4820811887 has 4 divisors (see below), whose sum is σ = 4886850480. Its totient is φ = 4754773296.

The previous prime is 4820811869. The next prime is 4820811901. The reversal of 4820811887 is 7881180284.

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 4820811887 - 2¹² = 4820807791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4820811817) by changing a digit.

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, 33019187 + ... + 33019332.

It is an arithmetic number, because the mean of its divisors is an integer number (1221712620).

Almost surely, 2^4820811887 is an apocalyptic number.

4820811887 is a deficient number, since it is larger than the sum of its proper divisors (66038593).

4820811887 is an equidigital number, since it uses as much as digits as its factorization.

4820811887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66038592.

The product of its (nonzero) digits is 229376, while the sum is 47.

The square root of 4820811887 is about 69432.0667055216. The cubic root of 4820811887 is about 1689.2997912727.

The spelling of 4820811887 in words is "four billion, eight hundred twenty million, eight hundred eleven thousand, eight hundred eighty-seven".