5147887446 has 64 divisors (see below), whose sum is σ = 12471963840. Its totient is φ = 1583947872.

The previous prime is 5147887397. The next prime is 5147887457. The reversal of 5147887446 is 6447887415.

5147887446 is a `hidden beast` number, since 51 + 4 + 78 + 87 + 446 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 5147887392 and 5147887401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11596 + ... + 102128.

It is an arithmetic number, because the mean of its divisors is an integer number (194874435).

Almost surely, 2^5147887446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5147887446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6235981920).

5147887446 is an abundant number, since it is smaller than the sum of its proper divisors (7324076394).

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

5147887446 is an equidigital number, since it uses as much as digits as its factorization.

5147887446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90569 (or 90551 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 54.

The square root of 5147887446 is about 71748.7801011279. The cubic root of 5147887446 is about 1726.6713419388.

The spelling of 5147887446 in words is "five billion, one hundred forty-seven million, eight hundred eighty-seven thousand, four hundred forty-six".