86851479 has 32 divisors (see below), whose sum is σ = 136652544. Its totient is φ = 48372480.

The previous prime is 86851463. The next prime is 86851483. The reversal of 86851479 is 97415868.

It is not a de Polignac number, because 86851479 - 2⁴ = 86851463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86851409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189819 + ... + 190275.

It is an arithmetic number, because the mean of its divisors is an integer number (4270392).

Almost surely, 2^86851479 is an apocalyptic number.

86851479 is a deficient number, since it is larger than the sum of its proper divisors (49801065).

86851479 is a wasteful number, since it uses less digits than its factorization.

86851479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927.

The product of its digits is 483840, while the sum is 48.

The square root of 86851479 is about 9319.4140910253. The cubic root of 86851479 is about 442.8524715676.

The spelling of 86851479 in words is "eighty-six million, eight hundred fifty-one thousand, four hundred seventy-nine".