5085142787 has 4 divisors (see below), whose sum is σ = 5092080960. Its totient is φ = 5078204616.

The previous prime is 5085142757. The next prime is 5085142859. The reversal of 5085142787 is 7872415805.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7872415805 = 5 ⋅1574483161.

It is a cyclic number.

It is not a de Polignac number, because 5085142787 - 2²⁴ = 5068365571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5085142757) 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, 3467987 + ... + 3469452.

It is an arithmetic number, because the mean of its divisors is an integer number (1273020240).

Almost surely, 2^5085142787 is an apocalyptic number.

5085142787 is a deficient number, since it is larger than the sum of its proper divisors (6938173).

5085142787 is an equidigital number, since it uses as much as digits as its factorization.

5085142787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6938172.

The product of its (nonzero) digits is 627200, while the sum is 47.

The square root of 5085142787 is about 71310.1871193731. The cubic root of 5085142787 is about 1719.6275093638.

The spelling of 5085142787 in words is "five billion, eighty-five million, one hundred forty-two thousand, seven hundred eighty-seven".