5138878322 has 8 divisors (see below), whose sum is σ = 7708628316. Its totient is φ = 2569335552.

The previous prime is 5138878309. The next prime is 5138878331. The reversal of 5138878322 is 2238788315.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5100673561 + 38204761 = 71419^2 + 6181^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50978 + ... + 113474.

Almost surely, 2^5138878322 is an apocalyptic number.

5138878322 is a deficient number, since it is larger than the sum of its proper divisors (2569749994).

5138878322 is a wasteful number, since it uses less digits than its factorization.

5138878322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103612.

The product of its digits is 645120, while the sum is 47.

The square root of 5138878322 is about 71685.9701894311. The cubic root of 5138878322 is about 1725.6634929418.

The spelling of 5138878322 in words is "five billion, one hundred thirty-eight million, eight hundred seventy-eight thousand, three hundred twenty-two".