86404071 has 32 divisors (see below), whose sum is σ = 129015040. Its totient is φ = 51093504.

The previous prime is 86404061. The next prime is 86404093. The reversal of 86404071 is 17040468.

It is not a de Polignac number, because 86404071 - 2¹¹ = 86402023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86404061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111975 + ... + 112743.

It is an arithmetic number, because the mean of its divisors is an integer number (4031720).

Almost surely, 2^86404071 is an apocalyptic number.

86404071 is a deficient number, since it is larger than the sum of its proper divisors (42610969).

86404071 is a wasteful number, since it uses less digits than its factorization.

86404071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 86404071 is about 9295.3790132517. The cubic root of 86404071 is about 442.0907231038.

The spelling of 86404071 in words is "eighty-six million, four hundred four thousand, seventy-one".