5190705787 has 4 divisors (see below), whose sum is σ = 5196585160. Its totient is φ = 5184826416.

The previous prime is 5190705769. The next prime is 5190705809. The reversal of 5190705787 is 7875070915.

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 5190705787 - 2¹⁹ = 5190181499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5190705787.

It is not an unprimeable number, because it can be changed into a prime (5190705587) 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, 2938362 + ... + 2940127.

It is an arithmetic number, because the mean of its divisors is an integer number (1299146290).

Almost surely, 2^5190705787 is an apocalyptic number.

5190705787 is a deficient number, since it is larger than the sum of its proper divisors (5879373).

5190705787 is an equidigital number, since it uses as much as digits as its factorization.

5190705787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5879372.

The product of its (nonzero) digits is 617400, while the sum is 49.

The square root of 5190705787 is about 72046.5529154588. The cubic root of 5190705787 is about 1731.4454142489.

The spelling of 5190705787 in words is "five billion, one hundred ninety million, seven hundred five thousand, seven hundred eighty-seven".