87004788 has 96 divisors (see below), whose sum is σ = 228652032. Its totient is φ = 25574400.

The previous prime is 87004777. The next prime is 87004789. The reversal of 87004788 is 88740078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87004789) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 390045 + ... + 390267.

It is an arithmetic number, because the mean of its divisors is an integer number (2381792).

Almost surely, 2^87004788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87004788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114326016).

87004788 is an abundant number, since it is smaller than the sum of its proper divisors (141647244).

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

87004788 is a wasteful number, since it uses less digits than its factorization.

87004788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 42.

The square root of 87004788 is about 9327.6357132984. The cubic root of 87004788 is about 443.1128907007.

The spelling of 87004788 in words is "eighty-seven million, four thousand, seven hundred eighty-eight".