5197386878 has 8 divisors (see below), whose sum is σ = 7835257200. Its totient is φ = 2585634480.

The previous prime is 5197386869. The next prime is 5197386911. The reversal of 5197386878 is 8786837915.

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

It is a self number, because there is not a number n which added to its sum of digits gives 5197386878.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6528983 + ... + 6529778.

It is an arithmetic number, because the mean of its divisors is an integer number (979407150).

Almost surely, 2^5197386878 is an apocalyptic number.

5197386878 is a deficient number, since it is larger than the sum of its proper divisors (2637870322).

5197386878 is a wasteful number, since it uses less digits than its factorization.

5197386878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13058962.

The product of its digits is 20321280, while the sum is 62.

The square root of 5197386878 is about 72092.9044913575. The cubic root of 5197386878 is about 1732.1879584077.

The spelling of 5197386878 in words is "five billion, one hundred ninety-seven million, three hundred eighty-six thousand, eight hundred seventy-eight".