4267147986 has 128 divisors (see below), whose sum is σ = 10048608000. Its totient is φ = 1340333568.

The previous prime is 4267147981. The next prime is 4267148009. The reversal of 4267147986 is 6897417624.

4267147986 is a `hidden beast` number, since 4 + 26 + 71 + 479 + 86 = 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 (4267147981) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18633720 + ... + 18633948.

It is an arithmetic number, because the mean of its divisors is an integer number (78504750).

Almost surely, 2^4267147986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4267147986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5024304000).

4267147986 is an abundant number, since it is smaller than the sum of its proper divisors (5781460014).

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

4267147986 is a wasteful number, since it uses less digits than its factorization.

4267147986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505 (or 499 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 4267147986 is about 65323.4107039735. The cubic root of 4267147986 is about 1621.9815190557.

The spelling of 4267147986 in words is "four billion, two hundred sixty-seven million, one hundred forty-seven thousand, nine hundred eighty-six".