5172988378 has 32 divisors (see below), whose sum is σ = 8269931520. Its totient is φ = 2418405120.

The previous prime is 5172988367. The next prime is 5172988423. The reversal of 5172988378 is 8738892715.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4689375 + ... + 4690477.

It is an arithmetic number, because the mean of its divisors is an integer number (258435360).

Almost surely, 2^5172988378 is an apocalyptic number.

5172988378 is a deficient number, since it is larger than the sum of its proper divisors (3096943142).

5172988378 is a wasteful number, since it uses less digits than its factorization.

5172988378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902.

The product of its digits is 6773760, while the sum is 58.

The square root of 5172988378 is about 71923.4897512628. The cubic root of 5172988378 is about 1729.4731907488.

The spelling of 5172988378 in words is "five billion, one hundred seventy-two million, nine hundred eighty-eight thousand, three hundred seventy-eight".