87527980 has 24 divisors (see below), whose sum is σ = 184831920. Its totient is φ = 34816320.

The previous prime is 87527953. The next prime is 87527987. The reversal of 87527980 is 8972578.

It is a super-2 number, since 2×87527980² = 15322294565760800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87527980.

It is not an unprimeable number, because it can be changed into a prime (87527987) 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 7 ways as a sum of consecutive naturals, for example, 8470 + ... + 15709.

It is an arithmetic number, because the mean of its divisors is an integer number (7701330).

Almost surely, 2^87527980 is an apocalyptic number.

It is an amenable number.

87527980 is an abundant number, since it is smaller than the sum of its proper divisors (97303940).

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

87527980 is a wasteful number, since it uses less digits than its factorization.

87527980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24369 (or 24367 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 87527980 is about 9355.6389413017. The cubic root of 87527980 is about 443.9993168834. Note that the first 3 decimals are identical.

The spelling of 87527980 in words is "eighty-seven million, five hundred twenty-seven thousand, nine hundred eighty".