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27907922797 = 139892322501
BaseRepresentation
bin11001111111011100…
…010001101101101101
32200000221200100222021
4121333130101231231
5424123412012142
620453135350141
72005404300256
oct317734215555
980027610867
1027907922797
1110921327507
1254aa382351
132829b1c4b1
1414ca661b2d
15ad5129267
hex67f711b6d

27907922797 has 8 divisors (see below), whose sum is σ = 28113098720. Its totient is φ = 27702810000.

The previous prime is 27907922759. The next prime is 27907922813. The reversal of 27907922797 is 79722970972.

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 27907922797 - 223 = 27899534189 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 (27907922717) 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, 1229047 + ... + 1251547.

It is an arithmetic number, because the mean of its divisors is an integer number (3514137340).

Almost surely, 227907922797 is an apocalyptic number.

It is an amenable number.

27907922797 is a deficient number, since it is larger than the sum of its proper divisors (205175923).

27907922797 is a wasteful number, since it uses less digits than its factorization.

27907922797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31563.

The product of its (nonzero) digits is 14002632, while the sum is 61.

The spelling of 27907922797 in words is "twenty-seven billion, nine hundred seven million, nine hundred twenty-two thousand, seven hundred ninety-seven".

Divisors: 1 139 8923 22501 1240297 3127639 200776423 27907922797