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85277361 = 3135937061
BaseRepresentation
bin1010001010100…
…11101010110001
312221110112112210
411011103222301
5133312333421
612243442333
72053563021
oct505235261
9187415483
1085277361
1144156164
12246863a9
131488a4a0
14b47ba81
157747576
hex5153ab1

85277361 has 16 divisors (see below), whose sum is σ = 124528320. Its totient is φ = 51587520.

The previous prime is 85277347. The next prime is 85277363. The reversal of 85277361 is 16377258.

It is not a de Polignac number, because 85277361 - 27 = 85277233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85277363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16230 + ... + 20831.

It is an arithmetic number, because the mean of its divisors is an integer number (7783020).

Almost surely, 285277361 is an apocalyptic number.

It is an amenable number.

85277361 is a deficient number, since it is larger than the sum of its proper divisors (39250959).

85277361 is a wasteful number, since it uses less digits than its factorization.

85277361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37136.

The product of its digits is 70560, while the sum is 39.

The square root of 85277361 is about 9234.5742186633. The cubic root of 85277361 is about 440.1606868339.

The spelling of 85277361 in words is "eighty-five million, two hundred seventy-seven thousand, three hundred sixty-one".

Divisors: 1 3 13 39 59 177 767 2301 37061 111183 481793 1445379 2186599 6559797 28425787 85277361