5178697920 has 168 divisors, whose sum is σ = 19432005840. Its totient is φ = 1255434240.

The previous prime is 5178697873. The next prime is 5178697967. The reversal of 5178697920 is 297968715.

It is an interprime number because it is at equal distance from previous prime (5178697873) and next prime (5178697967).

It is a super-2 number, since 2×5178697920² = 53637824293224652800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50055 + ... + 113414.

Almost surely, 2^5178697920 is an apocalyptic number.

It is an amenable number.

5178697920 is an abundant number, since it is smaller than the sum of its proper divisors (14253307920).

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

5178697920 is a wasteful number, since it uses less digits than its factorization.

5178697920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163503 (or 163490 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 54.

The square root of 5178697920 is about 71963.1705805129. The cubic root of 5178697920 is about 1730.1092427703.

The spelling of 5178697920 in words is "five billion, one hundred seventy-eight million, six hundred ninety-seven thousand, nine hundred twenty".