87081552 has 30 divisors (see below), whose sum is σ = 243707802. Its totient is φ = 29027136.

The previous prime is 87081551. The next prime is 87081557. The reversal of 87081552 is 25518078.

It can be written as a sum of positive squares in only one way, i.e., 82519056 + 4562496 = 9084^2 + 2136^2 .

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 (87081551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 302223 + ... + 302510.

Almost surely, 2^87081552 is an apocalyptic number.

It is an amenable number.

87081552 is an abundant number, since it is smaller than the sum of its proper divisors (156626250).

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

87081552 is a wasteful number, since it uses less digits than its factorization.

87081552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604747 (or 604738 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 87081552 is about 9331.7496751681. The cubic root of 87081552 is about 443.2431713432.

The spelling of 87081552 in words is "eighty-seven million, eighty-one thousand, five hundred fifty-two".