86012471 has 2 divisors, whose sum is σ = 86012472. Its totient is φ = 86012470.

The previous prime is 86012441. The next prime is 86012489. The reversal of 86012471 is 17421068.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86012471 is a prime.

It is a super-3 number, since 3×86012471³ (a number of 25 digits) contains 333 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 (86012431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43006235 + 43006236.

It is an arithmetic number, because the mean of its divisors is an integer number (43006236).

Almost surely, 2^86012471 is an apocalyptic number.

86012471 is a deficient number, since it is larger than the sum of its proper divisors (1).

86012471 is an equidigital number, since it uses as much as digits as its factorization.

86012471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 86012471 is about 9274.2908623786. The cubic root of 86012471 is about 441.4218312811.

It can be divided in two parts, 860 and 12471, that added together give a palindrome (13331).

The spelling of 86012471 in words is "eighty-six million, twelve thousand, four hundred seventy-one".