6400288847 has 8 divisors (see below), whose sum is σ = 6448864800. Its totient is φ = 6351812064.

The previous prime is 6400288813. The next prime is 6400288889. The reversal of 6400288847 is 7488820046.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6400288847 - 2¹⁶ = 6400223311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6400288547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107429 + ... + 156017.

It is an arithmetic number, because the mean of its divisors is an integer number (806108100).

Almost surely, 2^6400288847 is an apocalyptic number.

6400288847 is a deficient number, since it is larger than the sum of its proper divisors (48575953).

6400288847 is a wasteful number, since it uses less digits than its factorization.

6400288847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49585.

The product of its (nonzero) digits is 688128, while the sum is 47.

The square root of 6400288847 is about 80001.8052733812. The cubic root of 6400288847 is about 1856.6634644626.

The spelling of 6400288847 in words is "six billion, four hundred million, two hundred eighty-eight thousand, eight hundred forty-seven".