86864733552857 has 8 divisors (see below), whose sum is σ = 93547927571784. Its totient is φ = 80181724025088.

The previous prime is 86864733552833. The next prime is 86864733552859. The reversal of 86864733552857 is 75825533746868.

It can be written as a sum of positive squares in 4 ways, for example, as 13191162497296 + 73673571055561 = 3631964^2 + 8583331^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86864733552857 - 2³⁴ = 86847553683673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86864733552859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45144128 + ... + 47028945.

It is an arithmetic number, because the mean of its divisors is an integer number (11693490946473).

Almost surely, 2^{86864733552857} is an apocalyptic number.

It is an amenable number.

86864733552857 is a deficient number, since it is larger than the sum of its proper divisors (6683194018927).

86864733552857 is a wasteful number, since it uses less digits than its factorization.

86864733552857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92245579.

The product of its digits is 8128512000, while the sum is 77.

The spelling of 86864733552857 in words is "eighty-six trillion, eight hundred sixty-four billion, seven hundred thirty-three million, five hundred fifty-two thousand, eight hundred fifty-seven".