86623900 has 54 divisors (see below), whose sum is σ = 206644760. Its totient is φ = 31495200.

The previous prime is 86623897. The next prime is 86623903. The reversal of 86623900 is 932668.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (86623897) and next prime (86623903).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86623903) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 8521 + ... + 15679.

Almost surely, 2^86623900 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 86623900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103322380).

86623900 is an abundant number, since it is smaller than the sum of its proper divisors (120020860).

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

86623900 is a wasteful number, since it uses less digits than its factorization.

86623900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7195 (or 7177 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 86623900 is about 9307.1961406215. The cubic root of 86623900 is about 442.4653275949.

The spelling of 86623900 in words is "eighty-six million, six hundred twenty-three thousand, nine hundred".