5133694878 has 24 divisors (see below), whose sum is σ = 11978621928. Its totient is φ = 1579598352.

The previous prime is 5133694871. The next prime is 5133694903. The reversal of 5133694878 is 8784963315.

5133694878 is a `hidden beast` number, since 513 + 36 + 94 + 8 + 7 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5133694871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10969200 + ... + 10969667.

It is an arithmetic number, because the mean of its divisors is an integer number (499109247).

Almost surely, 2^5133694878 is an apocalyptic number.

5133694878 is an abundant number, since it is smaller than the sum of its proper divisors (6844927050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5133694878 is a wasteful number, since it uses less digits than its factorization.

5133694878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21938888 (or 21938885 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 5133694878 is about 71649.8072432857. The cubic root of 5133694878 is about 1725.0830881213.

The spelling of 5133694878 in words is "five billion, one hundred thirty-three million, six hundred ninety-four thousand, eight hundred seventy-eight".