86968644 has 24 divisors (see below), whose sum is σ = 231916608. Its totient is φ = 24848160.

The previous prime is 86968639. The next prime is 86968649. The reversal of 86968644 is 44686968.

86968644 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (86968639) and next prime (86968649).

86968644 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (86968649) 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 7 ways as a sum of consecutive naturals, for example, 517587 + ... + 517754.

It is an arithmetic number, because the mean of its divisors is an integer number (9663192).

Almost surely, 2^86968644 is an apocalyptic number.

86968644 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

86968644 is an abundant number, since it is smaller than the sum of its proper divisors (144947964).

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

86968644 is a wasteful number, since it uses less digits than its factorization.

86968644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035355 (or 1035353 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 51.

The square root of 86968644 is about 9325.6980435783. The cubic root of 86968644 is about 443.0515220833.

The spelling of 86968644 in words is "eighty-six million, nine hundred sixty-eight thousand, six hundred forty-four".