87728358 has 16 divisors (see below), whose sum is σ = 184691520. Its totient is φ = 27703656.

The previous prime is 87728353. The next prime is 87728383. The reversal of 87728358 is 85382778.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87728353) 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, 384660 + ... + 384887.

It is an arithmetic number, because the mean of its divisors is an integer number (11543220).

Almost surely, 2^87728358 is an apocalyptic number.

87728358 is an abundant number, since it is smaller than the sum of its proper divisors (96963162).

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

87728358 is a wasteful number, since it uses less digits than its factorization.

87728358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769571.

The product of its digits is 752640, while the sum is 48.

The square root of 87728358 is about 9366.3417618620. The cubic root of 87728358 is about 444.3378748699.

The spelling of 87728358 in words is "eighty-seven million, seven hundred twenty-eight thousand, three hundred fifty-eight".