87151536 has 120 divisors (see below), whose sum is σ = 253793280. Its totient is φ = 27900288.

The previous prime is 87151529. The next prime is 87151543. The reversal of 87151536 is 63515178.

87151536 is a `hidden beast` number, since 8 + 71 + 51 + 536 = 666.

It is an interprime number because it is at equal distance from previous prime (87151529) and next prime (87151543).

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

It is a self number, because there is not a number n which added to its sum of digits gives 87151536.

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 23 ways as a sum of consecutive naturals, for example, 534591 + ... + 534753.

It is an arithmetic number, because the mean of its divisors is an integer number (2114944).

Almost surely, 2^87151536 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 87151536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126896640).

87151536 is an abundant number, since it is smaller than the sum of its proper divisors (166641744).

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

87151536 is a wasteful number, since it uses less digits than its factorization.

87151536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 294 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 87151536 is about 9335.4987011943. The cubic root of 87151536 is about 443.3618785522.

The spelling of 87151536 in words is "eighty-seven million, one hundred fifty-one thousand, five hundred thirty-six".