86403479 has 16 divisors (see below), whose sum is σ = 93726720. Its totient is φ = 79416480.

The previous prime is 86403451. The next prime is 86403491. The reversal of 86403479 is 97430468.

It is a cyclic number.

It is not a de Polignac number, because 86403479 - 2¹⁶ = 86337943 is a prime.

It is a super-2 number, since 2×86403479² = 14931122366606882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86403419) 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, 127289 + ... + 127965.

It is an arithmetic number, because the mean of its divisors is an integer number (5857920).

Almost surely, 2^86403479 is an apocalyptic number.

86403479 is a deficient number, since it is larger than the sum of its proper divisors (7323241).

86403479 is a wasteful number, since it uses less digits than its factorization.

86403479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 86403479 is about 9295.3471694176. The cubic root of 86403479 is about 442.0897134357.

The spelling of 86403479 in words is "eighty-six million, four hundred three thousand, four hundred seventy-nine".