87358782 has 64 divisors (see below), whose sum is σ = 207051264. Its totient is φ = 24053760.

The previous prime is 87358781. The next prime is 87358819. The reversal of 87358782 is 28785378.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87358781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166773 + ... + 167295.

It is an arithmetic number, because the mean of its divisors is an integer number (3235176).

Almost surely, 2^87358782 is an apocalyptic number.

87358782 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 87358782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103525632).

87358782 is an abundant number, since it is smaller than the sum of its proper divisors (119692482).

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

87358782 is a wasteful number, since it uses less digits than its factorization.

87358782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673.

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

The square root of 87358782 is about 9346.5919992262. The cubic root of 87358782 is about 443.7130379317.

The spelling of 87358782 in words is "eighty-seven million, three hundred fifty-eight thousand, seven hundred eighty-two".