86897712 has 80 divisors (see below), whose sum is σ = 252840960. Its totient is φ = 25478400.

The previous prime is 86897683. The next prime is 86897729. The reversal of 86897712 is 21779868.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13714 + ... + 19022.

It is an arithmetic number, because the mean of its divisors is an integer number (3160512).

Almost surely, 2^86897712 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 86897712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126420480).

86897712 is an abundant number, since it is smaller than the sum of its proper divisors (165943248).

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

86897712 is a wasteful number, since it uses less digits than its factorization.

86897712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5362 (or 5356 counting only the distinct ones).

The product of its digits is 338688, while the sum is 48.

The square root of 86897712 is about 9321.8942281062. The cubic root of 86897712 is about 442.9310377461.

It can be divided in two parts, 86 and 897712, that added together give a palindrome (897798).

The spelling of 86897712 in words is "eighty-six million, eight hundred ninety-seven thousand, seven hundred twelve".