86769060957785 has 8 divisors (see below), whose sum is σ = 104126802918216. Its totient is φ = 69412628920320.

The previous prime is 86769060957781. The next prime is 86769060957823. The reversal of 86769060957785 is 58775906096768.

It can be written as a sum of positive squares in 4 ways, for example, as 39914748467344 + 46854312490441 = 6317812^2 + 6845021^2 .

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

It is not a de Polignac number, because 86769060957785 - 2² = 86769060957781 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86769060957781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327335006 + ... + 327599975.

It is an arithmetic number, because the mean of its divisors is an integer number (13015850364777).

Almost surely, 2^{86769060957785} is an apocalyptic number.

It is an amenable number.

86769060957785 is a deficient number, since it is larger than the sum of its proper divisors (17357741960431).

86769060957785 is a wasteful number, since it uses less digits than its factorization.

86769060957785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654961483.

The product of its (nonzero) digits is 9601804800, while the sum is 83.

The spelling of 86769060957785 in words is "eighty-six trillion, seven hundred sixty-nine billion, sixty million, nine hundred fifty-seven thousand, seven hundred eighty-five".