87666710 has 16 divisors (see below), whose sum is σ = 163242000. Its totient is φ = 33857376.

The previous prime is 87666707. The next prime is 87666713. The reversal of 87666710 is 1766678.

It is an interprime number because it is at equal distance from previous prime (87666707) and next prime (87666713).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87666713) 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, 150860 + ... + 151439.

It is an arithmetic number, because the mean of its divisors is an integer number (10202625).

Almost surely, 2^87666710 is an apocalyptic number.

87666710 is a deficient number, since it is larger than the sum of its proper divisors (75575290).

87666710 is a wasteful number, since it uses less digits than its factorization.

87666710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302335.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 87666710 is about 9363.0502508531. The cubic root of 87666710 is about 444.2337695733.

The spelling of 87666710 in words is "eighty-seven million, six hundred sixty-six thousand, seven hundred ten".