87168610 has 8 divisors (see below), whose sum is σ = 156903516. Its totient is φ = 34867440.

The previous prime is 87168607. The next prime is 87168619. The reversal of 87168610 is 1686178.

It can be written as a sum of positive squares in 2 ways, for example, as 72812089 + 14356521 = 8533^2 + 3789^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 87168610.

It is not an unprimeable number, because it can be changed into a prime (87168619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4358421 + ... + 4358440.

Almost surely, 2^87168610 is an apocalyptic number.

87168610 is a deficient number, since it is larger than the sum of its proper divisors (69734906).

87168610 is a wasteful number, since it uses less digits than its factorization.

87168610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8716868.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 87168610 is about 9336.4131228218. The cubic root of 87168610 is about 443.3908299120.

It can be divided in two parts, 87168 and 610, that added together give a palindrome (87778).

The spelling of 87168610 in words is "eighty-seven million, one hundred sixty-eight thousand, six hundred ten".