5145186878 has 16 divisors (see below), whose sum is σ = 8435510160. Its totient is φ = 2339257536.

The previous prime is 5145186877. The next prime is 5145186899. The reversal of 5145186878 is 8786815415.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145186877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1475063 + ... + 1478546.

It is an arithmetic number, because the mean of its divisors is an integer number (527219385).

Almost surely, 2^5145186878 is an apocalyptic number.

5145186878 is a deficient number, since it is larger than the sum of its proper divisors (3290323282).

5145186878 is a wasteful number, since it uses less digits than its factorization.

5145186878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2953691.

The product of its digits is 2150400, while the sum is 53.

The square root of 5145186878 is about 71729.9580231301. The cubic root of 5145186878 is about 1726.3693534009.

The spelling of 5145186878 in words is "five billion, one hundred forty-five million, one hundred eighty-six thousand, eight hundred seventy-eight".