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85586977893 = 379894057601
BaseRepresentation
bin100111110110101100…
…0011010010001100101
322011220200222221212010
41033231120122101211
52400240231243033
6103152413544433
76116632210614
oct1175530322145
9264820887763
1085586977893
113332a68828a
1214706aa5119
1380bc77ccb1
1441dcb9387b
15235dc1e863
hex13ed61a465

85586977893 has 16 divisors (see below), whose sum is σ = 116858937600. Its totient is φ = 55702732800.

The previous prime is 85586977841. The next prime is 85586977897. The reversal of 85586977893 is 39877968558.

It is not a de Polignac number, because 85586977893 - 213 = 85586969701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85586977897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2007708 + ... + 2049893.

It is an arithmetic number, because the mean of its divisors is an integer number (7303683600).

Almost surely, 285586977893 is an apocalyptic number.

It is an amenable number.

85586977893 is a deficient number, since it is larger than the sum of its proper divisors (31271959707).

85586977893 is a wasteful number, since it uses less digits than its factorization.

85586977893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057772.

The product of its digits is 914457600, while the sum is 75.

The spelling of 85586977893 in words is "eighty-five billion, five hundred eighty-six million, nine hundred seventy-seven thousand, eight hundred ninety-three".

Divisors: 1 3 79 89 237 267 7031 21093 4057601 12172803 320550479 361126489 961651437 1083379467 28528992631 85586977893