87240760 has 32 divisors (see below), whose sum is σ = 197802000. Its totient is φ = 34627840.

The previous prime is 87240739. The next prime is 87240779. The reversal of 87240760 is 6704278.

It is a super-2 number, since 2×87240760² = 15221900410755200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3085 + ... + 13564.

Almost surely, 2^87240760 is an apocalyptic number.

It is an amenable number.

87240760 is an abundant number, since it is smaller than the sum of its proper divisors (110561240).

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

87240760 is a wasteful number, since it uses less digits than its factorization.

87240760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16791 (or 16787 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 87240760 is about 9340.2762271787. The cubic root of 87240760 is about 443.5131286238.

The spelling of 87240760 in words is "eighty-seven million, two hundred forty thousand, seven hundred sixty".