86766687 has 32 divisors (see below), whose sum is σ = 147840000. Its totient is φ = 49266144.

The previous prime is 86766683. The next prime is 86766689. The reversal of 86766687 is 78666768.

It is not a de Polignac number, because 86766687 - 2² = 86766683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86766683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30189 + ... + 32937.

It is an arithmetic number, because the mean of its divisors is an integer number (4620000).

Almost surely, 2^86766687 is an apocalyptic number.

86766687 is a deficient number, since it is larger than the sum of its proper divisors (61073313).

86766687 is a wasteful number, since it uses less digits than its factorization.

86766687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2932 (or 2926 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 86766687 is about 9314.8637671197. The cubic root of 86766687 is about 442.7083075541.

The spelling of 86766687 in words is "eighty-six million, seven hundred sixty-six thousand, six hundred eighty-seven".