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85668167773 = 316179573457
BaseRepresentation
bin100111111001000111…
…0001000000001011101
322012010100202211102201
41033302032020001131
52400422022332043
6103204434051501
76121636261036
oct1176216100135
9265110684381
1085668167773
11333714a1461
121472a119b91
138103538b46
144209889a8d
152365e0ac4d
hex13f238805d

85668167773 has 16 divisors (see below), whose sum is σ = 91019253760. Its totient is φ = 80513222400.

The previous prime is 85668167759. The next prime is 85668167791. The reversal of 85668167773 is 37776186658.

It is a cyclic number.

It is not a de Polignac number, because 85668167773 - 225 = 85634613341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85668167743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137340 + ... + 436117.

It is an arithmetic number, because the mean of its divisors is an integer number (5688703360).

Almost surely, 285668167773 is an apocalyptic number.

It is an amenable number.

85668167773 is a deficient number, since it is larger than the sum of its proper divisors (5351085987).

85668167773 is a wasteful number, since it uses less digits than its factorization.

85668167773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573628.

The product of its digits is 71124480, while the sum is 64.

The spelling of 85668167773 in words is "eighty-five billion, six hundred sixty-eight million, one hundred sixty-seven thousand, seven hundred seventy-three".

Divisors: 1 31 61 79 1891 2449 4819 149389 573457 17777167 34980877 45303103 1084407187 1404396193 2763489283 85668167773