87539704 has 16 divisors (see below), whose sum is σ = 187585200. Its totient is φ = 37516992.

The previous prime is 87539671. The next prime is 87539713. The reversal of 87539704 is 40793578.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 781549 + ... + 781660.

It is an arithmetic number, because the mean of its divisors is an integer number (11724075).

Almost surely, 2^87539704 is an apocalyptic number.

It is an amenable number.

87539704 is an abundant number, since it is smaller than the sum of its proper divisors (100045496).

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

87539704 is a wasteful number, since it uses less digits than its factorization.

87539704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563222 (or 1563218 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 87539704 is about 9356.2654943091. The cubic root of 87539704 is about 444.0191399373.

The spelling of 87539704 in words is "eighty-seven million, five hundred thirty-nine thousand, seven hundred four".