86320320 has 56 divisors (see below), whose sum is σ = 274070064. Its totient is φ = 23018496.

The previous prime is 86320303. The next prime is 86320343. The reversal of 86320320 is 2302368.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43999 + ... + 45918.

Almost surely, 2^86320320 is an apocalyptic number.

86320320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

86320320 is an abundant number, since it is smaller than the sum of its proper divisors (187749744).

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

86320320 is a wasteful number, since it uses less digits than its factorization.

86320320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89937 (or 89927 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 86320320 is about 9290.8729406875. The cubic root of 86320320 is about 441.9478382102.

Adding to 86320320 its reverse (2302368), we get a palindrome (88622688).

The spelling of 86320320 in words is "eighty-six million, three hundred twenty thousand, three hundred twenty".