86851707 has 4 divisors (see below), whose sum is σ = 115802280. Its totient is φ = 57901136.

The previous prime is 86851669. The next prime is 86851729. The reversal of 86851707 is 70715868.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86851707 - 2⁶ = 86851643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86851747) 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, 14475282 + ... + 14475287.

It is an arithmetic number, because the mean of its divisors is an integer number (28950570).

Almost surely, 2^86851707 is an apocalyptic number.

86851707 is a deficient number, since it is larger than the sum of its proper divisors (28950573).

86851707 is a wasteful number, since it uses less digits than its factorization.

86851707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28950572.

The product of its (nonzero) digits is 94080, while the sum is 42.

The square root of 86851707 is about 9319.4263235459. The cubic root of 86851707 is about 442.8528590884.

The spelling of 86851707 in words is "eighty-six million, eight hundred fifty-one thousand, seven hundred seven".