86913666 has 96 divisors (see below), whose sum is σ = 224410368. Its totient is φ = 23794560.

The previous prime is 86913661. The next prime is 86913683. The reversal of 86913666 is 66631968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86913661) 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 47 ways as a sum of consecutive naturals, for example, 480096 + ... + 480276.

It is an arithmetic number, because the mean of its divisors is an integer number (2337608).

Almost surely, 2^86913666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86913666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112205184).

86913666 is an abundant number, since it is smaller than the sum of its proper divisors (137496702).

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

86913666 is a wasteful number, since it uses less digits than its factorization.

86913666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336 (or 333 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 86913666 is about 9322.7499161996. The cubic root of 86913666 is about 442.9581427534.

It can be divided in two parts, 869 and 13666, that added together give a triangular number (14535 = T₁₇₀).

The spelling of 86913666 in words is "eighty-six million, nine hundred thirteen thousand, six hundred sixty-six".