4278158712 has 96 divisors (see below), whose sum is σ = 12265344000. Its totient is φ = 1343373120.

The previous prime is 4278158701. The next prime is 4278158737. The reversal of 4278158712 is 2178518724.

4278158712 is a `hidden beast` number, since 427 + 8 + 158 + 71 + 2 = 666.

It is a super-3 number, since 3×4278158712³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 236137 + ... + 253607.

It is an arithmetic number, because the mean of its divisors is an integer number (127764000).

Almost surely, 2^4278158712 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 4278158712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6132672000).

4278158712 is an abundant number, since it is smaller than the sum of its proper divisors (7987185288).

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

4278158712 is a wasteful number, since it uses less digits than its factorization.

4278158712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17681 (or 17674 counting only the distinct ones).

The product of its digits is 250880, while the sum is 45.

The square root of 4278158712 is about 65407.6349671810. The cubic root of 4278158712 is about 1623.3754129904.

The spelling of 4278158712 in words is "four billion, two hundred seventy-eight million, one hundred fifty-eight thousand, seven hundred twelve".