5117778356 has 12 divisors (see below), whose sum is σ = 8957034240. Its totient is φ = 2558625720.

The previous prime is 5117778353. The next prime is 5117778359. The reversal of 5117778356 is 6538777115.

It is an interprime number because it is at equal distance from previous prime (5117778353) and next prime (5117778359).

It is a super-2 number, since 2×5117778356² = 52383310602284125472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5117778353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18350 + ... + 102821.

It is an arithmetic number, because the mean of its divisors is an integer number (746419520).

Almost surely, 2^5117778356 is an apocalyptic number.

It is an amenable number.

5117778356 is a deficient number, since it is larger than the sum of its proper divisors (3839255884).

5117778356 is a wasteful number, since it uses less digits than its factorization.

5117778356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131734 (or 131732 counting only the distinct ones).

The product of its digits is 1234800, while the sum is 50.

The square root of 5117778356 is about 71538.6493861884. The cubic root of 5117778356 is about 1723.2984249753.

The spelling of 5117778356 in words is "five billion, one hundred seventeen million, seven hundred seventy-eight thousand, three hundred fifty-six".