86471427 has 12 divisors (see below), whose sum is σ = 134119176. Its totient is φ = 49412160.

The previous prime is 86471423. The next prime is 86471443. The reversal of 86471427 is 72417468.

It is not a de Polignac number, because 86471427 - 2² = 86471423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86471423) 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 11 ways as a sum of consecutive naturals, for example, 293974 + ... + 294267.

It is an arithmetic number, because the mean of its divisors is an integer number (11176598).

Almost surely, 2^86471427 is an apocalyptic number.

86471427 is a deficient number, since it is larger than the sum of its proper divisors (47647749).

86471427 is a wasteful number, since it uses less digits than its factorization.

86471427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588258 (or 588251 counting only the distinct ones).

The product of its digits is 75264, while the sum is 39.

The square root of 86471427 is about 9299.0013979997. The cubic root of 86471427 is about 442.2055700399.

The spelling of 86471427 in words is "eighty-six million, four hundred seventy-one thousand, four hundred twenty-seven".