87211152 has 120 divisors (see below), whose sum is σ = 280874880. Its totient is φ = 24744960.

The previous prime is 87211133. The next prime is 87211169. The reversal of 87211152 is 25111278.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 242749 + ... + 243107.

It is an arithmetic number, because the mean of its divisors is an integer number (2340624).

Almost surely, 2^87211152 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 87211152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140437440).

87211152 is an abundant number, since it is smaller than the sum of its proper divisors (193663728).

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

87211152 is a wasteful number, since it uses less digits than its factorization.

87211152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621 (or 612 counting only the distinct ones).

The product of its digits is 1120, while the sum is 27.

The square root of 87211152 is about 9338.6911288467. The cubic root of 87211152 is about 443.4629493936.

The spelling of 87211152 in words is "eighty-seven million, two hundred eleven thousand, one hundred fifty-two".