87326020 has 24 divisors (see below), whose sum is σ = 183927744. Its totient is φ = 34826976.

The previous prime is 87326003. The next prime is 87326021. The reversal of 87326020 is 2062378.

It is a self number, because there is not a number n which added to its sum of digits gives 87326020.

It is not an unprimeable number, because it can be changed into a prime (87326021) 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, 649 + ... + 13231.

It is an arithmetic number, because the mean of its divisors is an integer number (7663656).

Almost surely, 2^87326020 is an apocalyptic number.

It is an amenable number.

87326020 is an abundant number, since it is smaller than the sum of its proper divisors (96601724).

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

87326020 is a wasteful number, since it uses less digits than its factorization.

87326020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12939 (or 12937 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 87326020 is about 9344.8392174505. The cubic root of 87326020 is about 443.6575627070.

Adding to 87326020 its reverse (2062378), we get a palindrome (89388398).

The spelling of 87326020 in words is "eighty-seven million, three hundred twenty-six thousand, twenty".