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808086988973 = 11461159354563
BaseRepresentation
bin10111100001001011011…
…11001110100010101101
32212020210222020100022202
423300211233032202231
5101214430232121343
61415121404351245
7112245102034235
oct13604557164255
92766728210282
10808086988973
11291787047260
12110742845525
135b282529054
142b17c3d4cc5
1516048271db8
hexbc25bce8ad

808086988973 has 8 divisors (see below), whose sum is σ = 883461702816. Its totient is φ = 733030985200.

The previous prime is 808086988963. The next prime is 808086988981. The reversal of 808086988973 is 379889680808.

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 808086988973 - 26 = 808086988909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 808086988973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808086988963) 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, 79672211 + ... + 79682352.

It is an arithmetic number, because the mean of its divisors is an integer number (110432712852).

Almost surely, 2808086988973 is an apocalyptic number.

It is an amenable number.

808086988973 is a deficient number, since it is larger than the sum of its proper divisors (75374713843).

808086988973 is a wasteful number, since it uses less digits than its factorization.

808086988973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159355035.

The product of its (nonzero) digits is 334430208, while the sum is 74.

The spelling of 808086988973 in words is "eight hundred eight billion, eighty-six million, nine hundred eighty-eight thousand, nine hundred seventy-three".

Divisors: 1 11 461 5071 159354563 1752900193 73462453543 808086988973