4287278916 has 96 divisors (see below), whose sum is σ = 11576880000. Its totient is φ = 1370404224.

The previous prime is 4287278903. The next prime is 4287278917. The reversal of 4287278916 is 6198727824.

It is a happy number.

4287278916 is a `hidden beast` number, since 4 + 287 + 278 + 91 + 6 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (4287278917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 462075 + ... + 471261.

It is an arithmetic number, because the mean of its divisors is an integer number (120592500).

Almost surely, 2^4287278916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4287278916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5788440000).

4287278916 is an abundant number, since it is smaller than the sum of its proper divisors (7289601084).

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

4287278916 is a wasteful number, since it uses less digits than its factorization.

4287278916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9378 (or 9370 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The square root of 4287278916 is about 65477.3160415117. The cubic root of 4287278916 is about 1624.5281679913.

The spelling of 4287278916 in words is "four billion, two hundred eighty-seven million, two hundred seventy-eight thousand, nine hundred sixteen".