86669727 has 16 divisors (see below), whose sum is σ = 121175808. Its totient is φ = 54996480.

The previous prime is 86669717. The next prime is 86669729. The reversal of 86669727 is 72796668.

It is not a de Polignac number, because 86669727 - 2⁴ = 86669711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86669727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86669729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11583 + ... + 17535.

It is an arithmetic number, because the mean of its divisors is an integer number (7573488).

Almost surely, 2^86669727 is an apocalyptic number.

86669727 is a deficient number, since it is larger than the sum of its proper divisors (34506081).

86669727 is a wasteful number, since it uses less digits than its factorization.

86669727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6190.

The product of its digits is 1524096, while the sum is 51.

The square root of 86669727 is about 9309.6577273281. The cubic root of 86669727 is about 442.5433402600.

The spelling of 86669727 in words is "eighty-six million, six hundred sixty-nine thousand, seven hundred twenty-seven".