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85746877 = 353449541
BaseRepresentation
bin1010001110001…
…10010010111101
312222100101121021
411013012102331
5133422400002
612301504141
72060556616
oct507062275
9188311537
1085746877
1144446997
1224872051
13149c30c8
14b560c0d
1577db737
hex51c64bd

85746877 has 8 divisors (see below), whose sum is σ = 86340600. Its totient is φ = 85155840.

The previous prime is 85746863. The next prime is 85746887. The reversal of 85746877 is 77864758.

It can be written as a sum of positive squares in 4 ways, for example, as 10074276 + 75672601 = 3174^2 + 8699^2 .

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 85746877 - 211 = 85744829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85746887) 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, 158227 + ... + 158767.

It is an arithmetic number, because the mean of its divisors is an integer number (10792575).

Almost surely, 285746877 is an apocalyptic number.

It is an amenable number.

85746877 is a deficient number, since it is larger than the sum of its proper divisors (593723).

85746877 is a wasteful number, since it uses less digits than its factorization.

85746877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343.

The product of its digits is 2634240, while the sum is 52.

The square root of 85746877 is about 9259.9609610408. The cubic root of 85746877 is about 440.9670140194.

It can be divided in two parts, 8574 and 6877, that added together give a palindrome (15451).

The spelling of 85746877 in words is "eighty-five million, seven hundred forty-six thousand, eight hundred seventy-seven".

Divisors: 1 353 449 541 158497 190973 242909 85746877