86233720 has 32 divisors (see below), whose sum is σ = 198158400. Its totient is φ = 33758848.

The previous prime is 86233711. The next prime is 86233727. The reversal of 86233720 is 2733268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86233727) 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 7 ways as a sum of consecutive naturals, for example, 21055 + ... + 24814.

It is an arithmetic number, because the mean of its divisors is an integer number (6192450).

Almost surely, 2^86233720 is an apocalyptic number.

It is an amenable number.

86233720 is an abundant number, since it is smaller than the sum of its proper divisors (111924680).

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

86233720 is a wasteful number, since it uses less digits than its factorization.

86233720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45927 (or 45923 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 86233720 is about 9286.2112834029. The cubic root of 86233720 is about 441.7999955052.

Adding to 86233720 its reverse (2733268), we get a palindrome (88966988).

The spelling of 86233720 in words is "eighty-six million, two hundred thirty-three thousand, seven hundred twenty".