86111748 has 60 divisors (see below), whose sum is σ = 228856012. Its totient is φ = 28226880.

The previous prime is 86111741. The next prime is 86111771. The reversal of 86111748 is 84711168.

It can be written as a sum of positive squares in 2 ways, for example, as 49533444 + 36578304 = 7038^2 + 6048^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (86111741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17586 + ... + 21942.

Almost surely, 2^86111748 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 86111748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114428006).

86111748 is an abundant number, since it is smaller than the sum of its proper divisors (142744264).

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

86111748 is a wasteful number, since it uses less digits than its factorization.

86111748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4434 (or 4423 counting only the distinct ones).

The product of its digits is 10752, while the sum is 36.

The square root of 86111748 is about 9279.6415879063. The cubic root of 86111748 is about 441.5915980797.

The spelling of 86111748 in words is "eighty-six million, one hundred eleven thousand, seven hundred forty-eight".