86706999 has 6 divisors (see below), whose sum is σ = 125243456. Its totient is φ = 57804660.

The previous prime is 86706973. The next prime is 86707001. The reversal of 86706999 is 99960768.

It is not a de Polignac number, because 86706999 - 2⁵ = 86706967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86706929) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4817047 + ... + 4817064.

Almost surely, 2^86706999 is an apocalyptic number.

86706999 is a deficient number, since it is larger than the sum of its proper divisors (38536457).

86706999 is a wasteful number, since it uses less digits than its factorization.

86706999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9634117 (or 9634114 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The square root of 86706999 is about 9311.6593043345. The cubic root of 86706999 is about 442.6067692183.

The spelling of 86706999 in words is "eighty-six million, seven hundred six thousand, nine hundred ninety-nine".