87706282 has 8 divisors (see below), whose sum is σ = 132028452. Its totient is φ = 43696800.

The previous prime is 87706271. The next prime is 87706309. The reversal of 87706282 is 28260778.

It can be written as a sum of positive squares in 2 ways, for example, as 69906321 + 17799961 = 8361^2 + 4219^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 77469 + ... + 78592.

Almost surely, 2^87706282 is an apocalyptic number.

87706282 is a deficient number, since it is larger than the sum of its proper divisors (44322170).

87706282 is a wasteful number, since it uses less digits than its factorization.

87706282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156344.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 87706282 is about 9365.1632126728. The cubic root of 87706282 is about 444.3006006215.

The spelling of 87706282 in words is "eighty-seven million, seven hundred six thousand, two hundred eighty-two".