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85456727755 = 575234668491
BaseRepresentation
bin100111110010110011…
…1100010111011001011
322011120121220120020221
41033211213202323023
52400003410242010
6103131442130511
76113461125610
oct1174547427313
9264517816227
1085456727755
1133273105443
121468b350a37
13809b7a76c9
1441c976a507
152352591dda
hex13e59e2ecb

85456727755 has 16 divisors (see below), whose sum is σ = 117421910784. Its totient is φ = 58486842720.

The previous prime is 85456727711. The next prime is 85456727803. The reversal of 85456727755 is 55772765458.

It is a happy number.

It is not a de Polignac number, because 85456727755 - 29 = 85456727243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85456727693 and 85456727702.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2315941 + ... + 2352550.

It is an arithmetic number, because the mean of its divisors is an integer number (7338869424).

Almost surely, 285456727755 is an apocalyptic number.

85456727755 is a deficient number, since it is larger than the sum of its proper divisors (31965183029).

85456727755 is a wasteful number, since it uses less digits than its factorization.

85456727755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4669026.

The product of its digits is 82320000, while the sum is 61.

The spelling of 85456727755 in words is "eighty-five billion, four hundred fifty-six million, seven hundred twenty-seven thousand, seven hundred fifty-five".

Divisors: 1 5 7 35 523 2615 3661 18305 4668491 23342455 32679437 163397185 2441620793 12208103965 17091345551 85456727755