5247147400 has 96 divisors (see below), whose sum is σ = 13335173280. Its totient is φ = 1904256000.

The previous prime is 5247147377. The next prime is 5247147401. The reversal of 5247147400 is 47417425.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5247147401) by changing a digit.

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, 1254112 + ... + 1258288.

It is an arithmetic number, because the mean of its divisors is an integer number (138908055).

Almost surely, 2^5247147400 is an apocalyptic number.

5247147400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5247147400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6667586640).

5247147400 is an abundant number, since it is smaller than the sum of its proper divisors (8088025880).

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

5247147400 is a wasteful number, since it uses less digits than its factorization.

5247147400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4775 (or 4766 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 34.

The square root of 5247147400 is about 72437.1962461276. The cubic root of 5247147400 is about 1737.6984808541.

The spelling of 5247147400 in words is "five billion, two hundred forty-seven million, one hundred forty-seven thousand, four hundred".