87328020 has 48 divisors (see below), whose sum is σ = 263329920. Its totient is φ = 21495936.

The previous prime is 87327979. The next prime is 87328039. The reversal of 87328020 is 2082378.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55200 + ... + 56759.

It is an arithmetic number, because the mean of its divisors is an integer number (5486040).

Almost surely, 2^87328020 is an apocalyptic number.

It is an amenable number.

87328020 is an abundant number, since it is smaller than the sum of its proper divisors (176001900).

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

87328020 is a wasteful number, since it uses less digits than its factorization.

87328020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111984 (or 111982 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 87328020 is about 9344.9462277747. The cubic root of 87328020 is about 443.6609496638.

The spelling of 87328020 in words is "eighty-seven million, three hundred twenty-eight thousand, twenty".