86123862 has 72 divisors (see below), whose sum is σ = 210574728. Its totient is φ = 25214400.

The previous prime is 86123861. The next prime is 86123879. The reversal of 86123862 is 26832168.

86123862 is a `hidden beast` number, since 8 + 612 + 38 + 6 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86123861) 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 35 ways as a sum of consecutive naturals, for example, 836103 + ... + 836205.

It is an arithmetic number, because the mean of its divisors is an integer number (2924649).

Almost surely, 2^86123862 is an apocalyptic number.

86123862 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 86123862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105287364).

86123862 is an abundant number, since it is smaller than the sum of its proper divisors (124450866).

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

86123862 is a wasteful number, since it uses less digits than its factorization.

86123862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 160 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 86123862 is about 9280.2942841270. The cubic root of 86123862 is about 441.6123044677.

The spelling of 86123862 in words is "eighty-six million, one hundred twenty-three thousand, eight hundred sixty-two".