86717427 has 8 divisors (see below), whose sum is σ = 115666320. Its totient is φ = 57790080.

The previous prime is 86717399. The next prime is 86717437. The reversal of 86717427 is 72471768.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86717427 - 2⁷ = 86717299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86717437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12399 + ... + 18087.

It is an arithmetic number, because the mean of its divisors is an integer number (14458290).

Almost surely, 2^86717427 is an apocalyptic number.

86717427 is a deficient number, since it is larger than the sum of its proper divisors (28948893).

86717427 is a wasteful number, since it uses less digits than its factorization.

86717427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10773.

The product of its digits is 131712, while the sum is 42.

The square root of 86717427 is about 9312.2192306668. The cubic root of 86717427 is about 442.6245121857.

The spelling of 86717427 in words is "eighty-six million, seven hundred seventeen thousand, four hundred twenty-seven".