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87968527664 = 245498032979
BaseRepresentation
bin101000111101101010…
…1010011010100110000
322102001200022012222012
41101323111103110300
52420124420341124
6104225010502052
76232641101453
oct1217325232460
9272050265865
1087968527664
1134341a38936
1215070594928
1383abca8a44
1443871ad49a
15244cd4de0e
hex147b553530

87968527664 has 10 divisors (see below), whose sum is σ = 170439022380. Its totient is φ = 43984263824.

The previous prime is 87968527643. The next prime is 87968527667. The reversal of 87968527664 is 46672586978.

It is a junction number, because it is equal to n+sod(n) for n = 87968527594 and 87968527603.

It is not an unprimeable number, because it can be changed into a prime (87968527667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2749016474 + ... + 2749016505.

It is an arithmetic number, because the mean of its divisors is an integer number (17043902238).

Almost surely, 287968527664 is an apocalyptic number.

It is an amenable number.

87968527664 is a deficient number, since it is larger than the sum of its proper divisors (82470494716).

87968527664 is a wasteful number, since it uses less digits than its factorization.

87968527664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5498032987 (or 5498032981 counting only the distinct ones).

The product of its digits is 243855360, while the sum is 68.

The spelling of 87968527664 in words is "eighty-seven billion, nine hundred sixty-eight million, five hundred twenty-seven thousand, six hundred sixty-four".

Divisors: 1 2 4 8 16 5498032979 10996065958 21992131916 43984263832 87968527664