86147748 has 144 divisors (see below), whose sum is σ = 245044800. Its totient is φ = 25401600.

The previous prime is 86147731. The next prime is 86147753. The reversal of 86147748 is 84774168.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 852898 + ... + 852998.

It is an arithmetic number, because the mean of its divisors is an integer number (1701700).

Almost surely, 2^86147748 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 86147748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122522400).

86147748 is an abundant number, since it is smaller than the sum of its proper divisors (158897052).

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

86147748 is a wasteful number, since it uses less digits than its factorization.

86147748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 197 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 86147748 is about 9281.5811153057. The cubic root of 86147748 is about 441.6531269770.

The spelling of 86147748 in words is "eighty-six million, one hundred forty-seven thousand, seven hundred forty-eight".