87847788 has 60 divisors (see below), whose sum is σ = 239205400. Its totient is φ = 25091136.

The previous prime is 87847783. The next prime is 87847813. The reversal of 87847788 is 88774878.

It is not an unprimeable number, because it can be changed into a prime (87847783) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27288 + ... + 30336.

Almost surely, 2^87847788 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 87847788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119602700).

87847788 is an abundant number, since it is smaller than the sum of its proper divisors (151357612).

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

87847788 is a wasteful number, since it uses less digits than its factorization.

87847788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3084 (or 3061 counting only the distinct ones).

The product of its digits is 5619712, while the sum is 57.

The square root of 87847788 is about 9372.7150815545. The cubic root of 87847788 is about 444.5394182498.

The spelling of 87847788 in words is "eighty-seven million, eight hundred forty-seven thousand, seven hundred eighty-eight".