87822010 has 16 divisors (see below), whose sum is σ = 158200200. Its totient is φ = 35102016.

The previous prime is 87822001. The next prime is 87822013. The reversal of 87822010 is 1022878.

It can be written as a sum of positive squares in 4 ways, for example, as 85581001 + 2241009 = 9251^2 + 1497^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 87822010.

It is not an unprimeable number, because it can be changed into a prime (87822013) 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, 15436 + ... + 20344.

Almost surely, 2^87822010 is an apocalyptic number.

87822010 is a deficient number, since it is larger than the sum of its proper divisors (70378190).

87822010 is a wasteful number, since it uses less digits than its factorization.

87822010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6705.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 87822010 is about 9371.3398188306. The cubic root of 87822010 is about 444.4959322063.

Adding to 87822010 its reverse (1022878), we get a palindrome (88844888).

The spelling of 87822010 in words is "eighty-seven million, eight hundred twenty-two thousand, ten".