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87011327 = 1331215909
BaseRepresentation
bin1010010111110…
…10111111111111
320001201122002202
411023322333333
5134233330302
612344542115
72104404224
oct513727777
9201648082
1087011327
114512a997
122518193b
13150467c0
14b7ad94b
15798b202
hex52fafff

87011327 has 8 divisors (see below), whose sum is σ = 96727680. Its totient is φ = 77726880.

The previous prime is 87011297. The next prime is 87011329. The reversal of 87011327 is 72311078.

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 87011327 - 210 = 87010303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87011327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87011329) 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, 107552 + ... + 108357.

It is an arithmetic number, because the mean of its divisors is an integer number (12090960).

Almost surely, 287011327 is an apocalyptic number.

87011327 is a deficient number, since it is larger than the sum of its proper divisors (9716353).

87011327 is a wasteful number, since it uses less digits than its factorization.

87011327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215953.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 87011327 is about 9327.9862242608. The cubic root of 87011327 is about 443.1239914025.

The spelling of 87011327 in words is "eighty-seven million, eleven thousand, three hundred twenty-seven".

Divisors: 1 13 31 403 215909 2806817 6693179 87011327