5200778172 has 12 divisors (see below), whose sum is σ = 12135149096. Its totient is φ = 1733592720.

The previous prime is 5200778171. The next prime is 5200778189. The reversal of 5200778172 is 2718770025.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×5200778172³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5200778172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5200778171) 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, 216699079 + ... + 216699102.

Almost surely, 2^5200778172 is an apocalyptic number.

It is an amenable number.

5200778172 is an abundant number, since it is smaller than the sum of its proper divisors (6934370924).

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

5200778172 is a wasteful number, since it uses less digits than its factorization.

5200778172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433398188 (or 433398186 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 39.

The square root of 5200778172 is about 72116.4209594458. The cubic root of 5200778172 is about 1732.5646272709.

The spelling of 5200778172 in words is "five billion, two hundred million, seven hundred seventy-eight thousand, one hundred seventy-two".