5078391089 has 4 divisors (see below), whose sum is σ = 5078533620. Its totient is φ = 5078248560.

The previous prime is 5078391083. The next prime is 5078391091. The reversal of 5078391089 is 9801938705.

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 can be written as a sum of positive squares in 2 ways, for example, as 2133700864 + 2944690225 = 46192^2 + 54265^2 .

It is a cyclic number.

It is not a de Polignac number, because 5078391089 - 2¹² = 5078386993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5078391083) 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, 34799 + ... + 106619.

It is an arithmetic number, because the mean of its divisors is an integer number (1269633405).

Almost surely, 2^5078391089 is an apocalyptic number.

It is an amenable number.

5078391089 is a deficient number, since it is larger than the sum of its proper divisors (142531).

5078391089 is an equidigital number, since it uses as much as digits as its factorization.

5078391089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142530.

The product of its (nonzero) digits is 544320, while the sum is 50.

The square root of 5078391089 is about 71262.8310481698. The cubic root of 5078391089 is about 1718.8661051193.

The spelling of 5078391089 in words is "five billion, seventy-eight million, three hundred ninety-one thousand, eighty-nine".