87711552 has 112 divisors (see below), whose sum is σ = 260177280. Its totient is φ = 28975104.

The previous prime is 87711539. The next prime is 87711623. The reversal of 87711552 is 25511778.

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

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 333373 + ... + 333635.

Almost surely, 2^87711552 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 87711552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130088640).

87711552 is an abundant number, since it is smaller than the sum of its proper divisors (172465728).

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

87711552 is a wasteful number, since it uses less digits than its factorization.

87711552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477 (or 461 counting only the distinct ones).

The product of its digits is 19600, while the sum is 36.

The square root of 87711552 is about 9365.4445703341. Note that the first 3 decimals coincide. The cubic root of 87711552 is about 444.3094993275.

The spelling of 87711552 in words is "eighty-seven million, seven hundred eleven thousand, five hundred fifty-two".