86287626 has 64 divisors (see below), whose sum is σ = 207388800. Its totient is φ = 26500608.

The previous prime is 86287577. The next prime is 86287639. The reversal of 86287626 is 62678268.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36826 + ... + 39098.

It is an arithmetic number, because the mean of its divisors is an integer number (3240450).

Almost surely, 2^86287626 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86287626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103694400).

86287626 is an abundant number, since it is smaller than the sum of its proper divisors (121101174).

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

86287626 is a wasteful number, since it uses less digits than its factorization.

86287626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340 (or 2334 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 86287626 is about 9289.1133053699. The cubic root of 86287626 is about 441.8920349447.

It can be divided in two parts, 862 and 87626, that added together give a palindrome (88488).

The spelling of 86287626 in words is "eighty-six million, two hundred eighty-seven thousand, six hundred twenty-six".