86040671 has 2 divisors, whose sum is σ = 86040672. Its totient is φ = 86040670.

The previous prime is 86040667. The next prime is 86040697. The reversal of 86040671 is 17604068.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86040671 - 2² = 86040667 is a prime.

It is a super-2 number, since 2×86040671² = 14805994132260482, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86040601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43020335 + 43020336.

It is an arithmetic number, because the mean of its divisors is an integer number (43020336).

Almost surely, 2^86040671 is an apocalyptic number.

86040671 is a deficient number, since it is larger than the sum of its proper divisors (1).

86040671 is an equidigital number, since it uses as much as digits as its factorization.

86040671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 86040671 is about 9275.8110696585. The cubic root of 86040671 is about 441.4700674471.

It can be divided in two parts, 8604067 and 1, that added together give a palindrome (8604068).

The spelling of 86040671 in words is "eighty-six million, forty thousand, six hundred seventy-one".