87705282 has 16 divisors (see below), whose sum is σ = 200469312. Its totient is φ = 25058640.

The previous prime is 87705271. The next prime is 87705283. The reversal of 87705282 is 28250778.

It is a self number, because there is not a number n which added to its sum of digits gives 87705282.

It is not an unprimeable number, because it can be changed into a prime (87705283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1044069 + ... + 1044152.

It is an arithmetic number, because the mean of its divisors is an integer number (12529332).

Almost surely, 2^87705282 is an apocalyptic number.

87705282 is an abundant number, since it is smaller than the sum of its proper divisors (112764030).

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

87705282 is a wasteful number, since it uses less digits than its factorization.

87705282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088233.

The product of its (nonzero) digits is 62720, while the sum is 39.

The square root of 87705282 is about 9365.1098231681. The cubic root of 87705282 is about 444.2989120222.

The spelling of 87705282 in words is "eighty-seven million, seven hundred five thousand, two hundred eighty-two".