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85850777453 = 789206366797
BaseRepresentation
bin100111111110100011…
…0101110011101101101
322012121002101100211012
41033331012232131231
52401310244334303
6103234520035005
76126314365550
oct1177506563555
9265532340735
1085850777453
1133455586851
121477b302a65
1381323147cc
144225c22697
152376e7c5d8
hex13fd1ae76d

85850777453 has 16 divisors (see below), whose sum is σ = 99267171840. Its totient is φ = 72723209856.

The previous prime is 85850777447. The next prime is 85850777479. The reversal of 85850777453 is 35477705858.

It is a cyclic number.

It is not a de Polignac number, because 85850777453 - 214 = 85850761069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85850777392 and 85850777401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85850777423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1251851 + ... + 1318647.

It is an arithmetic number, because the mean of its divisors is an integer number (6204198240).

Almost surely, 285850777453 is an apocalyptic number.

It is an amenable number.

85850777453 is a deficient number, since it is larger than the sum of its proper divisors (13416394387).

85850777453 is a wasteful number, since it uses less digits than its factorization.

85850777453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68956.

The product of its (nonzero) digits is 32928000, while the sum is 59.

The spelling of 85850777453 in words is "eighty-five billion, eight hundred fifty million, seven hundred seventy-seven thousand, four hundred fifty-three".

Divisors: 1 7 89 623 2063 14441 66797 183607 467579 1285249 5944933 41614531 137802211 964615477 12264396779 85850777453