87803712 has 168 divisors, whose sum is σ = 271028160. Its totient is φ = 27095040.

The previous prime is 87803707. The next prime is 87803713. The reversal of 87803712 is 21730878.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87803713) 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 23 ways as a sum of consecutive naturals, for example, 776968 + ... + 777080.

Almost surely, 2^87803712 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 87803712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135514080).

87803712 is an abundant number, since it is smaller than the sum of its proper divisors (183224448).

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

87803712 is a wasteful number, since it uses less digits than its factorization.

87803712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 87803712 is about 9370.3634934831. The cubic root of 87803712 is about 444.4650593401.

The spelling of 87803712 in words is "eighty-seven million, eight hundred three thousand, seven hundred twelve".