86679750 has 64 divisors (see below), whose sum is σ = 221045760. Its totient is φ = 22613600.

The previous prime is 86679739. The next prime is 86679757. The reversal of 86679750 is 5797668.

It is a self number, because there is not a number n which added to its sum of digits gives 86679750.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86679757) 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 31 ways as a sum of consecutive naturals, for example, 34021 + ... + 36479.

It is an arithmetic number, because the mean of its divisors is an integer number (3453840).

Almost surely, 2^86679750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86679750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110522880).

86679750 is an abundant number, since it is smaller than the sum of its proper divisors (134366010).

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

86679750 is a wasteful number, since it uses less digits than its factorization.

86679750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526 (or 2516 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 48.

The square root of 86679750 is about 9310.1960237151. The cubic root of 86679750 is about 442.5603990458.

The spelling of 86679750 in words is "eighty-six million, six hundred seventy-nine thousand, seven hundred fifty".