86704547 has 2 divisors, whose sum is σ = 86704548. Its totient is φ = 86704546.

The previous prime is 86704537. The next prime is 86704567. The reversal of 86704547 is 74540768.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86704547 - 2⁴ = 86704531 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86704507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43352273 + 43352274.

It is an arithmetic number, because the mean of its divisors is an integer number (43352274).

Almost surely, 2^86704547 is an apocalyptic number.

86704547 is a deficient number, since it is larger than the sum of its proper divisors (1).

86704547 is an equidigital number, since it uses as much as digits as its factorization.

86704547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 86704547 is about 9311.5276405110. The cubic root of 86704547 is about 442.6025969982.

The spelling of 86704547 in words is "eighty-six million, seven hundred four thousand, five hundred forty-seven".