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85775327 = 1121634349
BaseRepresentation
bin1010001110011…
…01001111011111
312222101211121222
411013031033133
5133424302302
612302243555
72061035561
oct507151737
9188354558
1085775327
1144466300
12248865bb
1314a03041
14b56b331
1577e4da2
hex51cd3df

85775327 has 12 divisors (see below), whose sum is σ = 94882200. Its totient is φ = 77481360.

The previous prime is 85775317. The next prime is 85775341. The reversal of 85775327 is 72357758.

Subtracting from 85775327 its reverse (72357758), we obtain a square (13417569 = 36632).

It is not a de Polignac number, because 85775327 - 24 = 85775311 is a prime.

It is a super-4 number, since 4×857753274 (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85775317) 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 11 ways as a sum of consecutive naturals, for example, 17549 + ... + 21897.

It is an arithmetic number, because the mean of its divisors is an integer number (7906850).

Almost surely, 285775327 is an apocalyptic number.

85775327 is a deficient number, since it is larger than the sum of its proper divisors (9106873).

85775327 is a wasteful number, since it uses less digits than its factorization.

85775327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4534 (or 4523 counting only the distinct ones).

The product of its digits is 411600, while the sum is 44.

The square root of 85775327 is about 9261.4970172214. The cubic root of 85775327 is about 441.0157781834.

The spelling of 85775327 in words is "eighty-five million, seven hundred seventy-five thousand, three hundred twenty-seven".

Divisors: 1 11 121 163 1793 4349 19723 47839 526229 708887 7797757 85775327