86708543 has 2 divisors, whose sum is σ = 86708544. Its totient is φ = 86708542.

The previous prime is 86708539. The next prime is 86708599. The reversal of 86708543 is 34580768.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86708543 - 2² = 86708539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86708543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86708513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43354271 + 43354272.

It is an arithmetic number, because the mean of its divisors is an integer number (43354272).

Almost surely, 2^86708543 is an apocalyptic number.

86708543 is a deficient number, since it is larger than the sum of its proper divisors (1).

86708543 is an equidigital number, since it uses as much as digits as its factorization.

86708543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 86708543 is about 9311.7422107788. The cubic root of 86708543 is about 442.6093963833.

The spelling of 86708543 in words is "eighty-six million, seven hundred eight thousand, five hundred forty-three".