86550120 has 80 divisors (see below), whose sum is σ = 290915460. Its totient is φ = 23079168.

The previous prime is 86550103. The next prime is 86550133. The reversal of 86550120 is 2105568.

86550120 is a `hidden beast` number, since 8 + 655 + 0 + 1 + 2 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 81324324 + 5225796 = 9018^2 + 2286^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10117 + ... + 16596.

Almost surely, 2^86550120 is an apocalyptic number.

It is an amenable number.

86550120 is an abundant number, since it is smaller than the sum of its proper divisors (204365340).

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

86550120 is a wasteful number, since it uses less digits than its factorization.

86550120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26736 (or 26723 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 86550120 is about 9303.2316965665. The cubic root of 86550120 is about 442.3396718790.

Adding to 86550120 its reverse (2105568), we get a palindrome (88655688).

The spelling of 86550120 in words is "eighty-six million, five hundred fifty thousand, one hundred twenty".