86707766 has 8 divisors (see below), whose sum is σ = 130606560. Its totient is φ = 43172248.

The previous prime is 86707763. The next prime is 86707781. The reversal of 86707766 is 66770768.

It is a happy number.

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 86707766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86707763) by changing a digit.

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, 90221 + ... + 91176.

It is an arithmetic number, because the mean of its divisors is an integer number (16325820).

Almost surely, 2^86707766 is an apocalyptic number.

86707766 is a deficient number, since it is larger than the sum of its proper divisors (43898794).

86707766 is a wasteful number, since it uses less digits than its factorization.

86707766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181638.

The product of its (nonzero) digits is 592704, while the sum is 47.

The square root of 86707766 is about 9311.7004891695. The cubic root of 86707766 is about 442.6080742970.

The spelling of 86707766 in words is "eighty-six million, seven hundred seven thousand, seven hundred sixty-six".