147911886 has 64 divisors (see below), whose sum is σ = 336752640. Its totient is φ = 48111840.

The previous prime is 147911851. The next prime is 147911909. The reversal of 147911886 is 688119741.

It is a happy number.

147911886 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 663171 + ... + 663393.

It is an arithmetic number, because the mean of its divisors is an integer number (5261760).

Almost surely, 2^147911886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147911886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168376320).

147911886 is an abundant number, since it is smaller than the sum of its proper divisors (188840754).

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

147911886 is a wasteful number, since it uses less digits than its factorization.

147911886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 472 counting only the distinct ones).

The product of its digits is 96768, while the sum is 45.

The square root of 147911886 is about 12161.9030583211. The cubic root of 147911886 is about 528.8522522432.

The spelling of 147911886 in words is "one hundred forty-seven million, nine hundred eleven thousand, eight hundred eighty-six".