86344775 has 12 divisors (see below), whose sum is σ = 116801304. Its totient is φ = 62796000.

The previous prime is 86344763. The next prime is 86344793. The reversal of 86344775 is 57744368.

It is not a de Polignac number, because 86344775 - 2⁸ = 86344519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 156716 + ... + 157265.

It is an arithmetic number, because the mean of its divisors is an integer number (9733442).

Almost surely, 2^86344775 is an apocalyptic number.

86344775 is a deficient number, since it is larger than the sum of its proper divisors (30456529).

86344775 is a wasteful number, since it uses less digits than its factorization.

86344775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314002 (or 313997 counting only the distinct ones).

The product of its digits is 564480, while the sum is 44.

The square root of 86344775 is about 9292.1889240372. The cubic root of 86344775 is about 441.9895696507.

The spelling of 86344775 in words is "eighty-six million, three hundred forty-four thousand, seven hundred seventy-five".