4785091887 has 4 divisors (see below), whose sum is σ = 6380122520. Its totient is φ = 3190061256.

The previous prime is 4785091823. The next prime is 4785091891. The reversal of 4785091887 is 7881905874.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4785091887 - 2⁶ = 4785091823 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 (4785091897) 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, 797515312 + ... + 797515317.

It is an arithmetic number, because the mean of its divisors is an integer number (1595030630).

Almost surely, 2^4785091887 is an apocalyptic number.

4785091887 is a deficient number, since it is larger than the sum of its proper divisors (1595030633).

4785091887 is a wasteful number, since it uses less digits than its factorization.

4785091887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595030632.

The product of its (nonzero) digits is 4515840, while the sum is 57.

The square root of 4785091887 is about 69174.3585947857. The cubic root of 4785091887 is about 1685.1171320395.

The spelling of 4785091887 in words is "four billion, seven hundred eighty-five million, ninety-one thousand, eight hundred eighty-seven".