86701666 has 16 divisors (see below), whose sum is σ = 137876256. Its totient is φ = 40749376.

The previous prime is 86701663. The next prime is 86701687. The reversal of 86701666 is 66610768.

It is not an unprimeable number, because it can be changed into a prime (86701663) 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, 47625 + ... + 49411.

It is an arithmetic number, because the mean of its divisors is an integer number (8617266).

Almost surely, 2^86701666 is an apocalyptic number.

86701666 is a deficient number, since it is larger than the sum of its proper divisors (51174590).

86701666 is a wasteful number, since it uses less digits than its factorization.

86701666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3233.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 86701666 is about 9311.3729385091. The cubic root of 86701666 is about 442.5976947094.

The spelling of 86701666 in words is "eighty-six million, seven hundred one thousand, six hundred sixty-six".