86242768 has 40 divisors (see below), whose sum is σ = 177664968. Its totient is φ = 40415232.

The previous prime is 86242763. The next prime is 86242771. The reversal of 86242768 is 86724268.

It can be written as a sum of positive squares in 4 ways, for example, as 2849344 + 83393424 = 1688^2 + 9132^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86242763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84630 + ... + 85642.

Almost surely, 2^86242768 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 86242768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88832484).

86242768 is an abundant number, since it is smaller than the sum of its proper divisors (91422200).

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

86242768 is a wasteful number, since it uses less digits than its factorization.

86242768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351 (or 1345 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The square root of 86242768 is about 9286.6984445496. The cubic root of 86242768 is about 441.8154467948.

The spelling of 86242768 in words is "eighty-six million, two hundred forty-two thousand, seven hundred sixty-eight".