4785427987 has 4 divisors (see below), whose sum is σ = 4785568000. Its totient is φ = 4785287976.

The previous prime is 4785427963. The next prime is 4785427993. The reversal of 4785427987 is 7897245874.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4785427987 - 2¹⁹ = 4784903699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4785427957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18889 + ... + 99637.

It is an arithmetic number, because the mean of its divisors is an integer number (1196392000).

Almost surely, 2^4785427987 is an apocalyptic number.

4785427987 is a deficient number, since it is larger than the sum of its proper divisors (140013).

4785427987 is an equidigital number, since it uses as much as digits as its factorization.

4785427987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140012.

The product of its digits is 31610880, while the sum is 61.

The square root of 4785427987 is about 69176.7879205157. The cubic root of 4785427987 is about 1685.1565847551.

The spelling of 4785427987 in words is "four billion, seven hundred eighty-five million, four hundred twenty-seven thousand, nine hundred eighty-seven".