Search a number
-
+
87627713 is a prime number
BaseRepresentation
bin1010011100100…
…01011111000001
320002212221121212
411032101133001
5134413041323
612410055505
72112552245
oct516213701
9202787555
1087627713
1145510aa8
122541a595
1315201224
14b8d0425
157a5db78
hex53917c1

87627713 has 2 divisors, whose sum is σ = 87627714. Its totient is φ = 87627712.

The previous prime is 87627697. The next prime is 87627721. The reversal of 87627713 is 31772678.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67043344 + 20584369 = 8188^2 + 4537^2 .

It is a cyclic number.

It is not a de Polignac number, because 87627713 - 24 = 87627697 is a prime.

It is a super-2 number, since 2×876277132 = 15357232171220738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (87627733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43813856 + 43813857.

It is an arithmetic number, because the mean of its divisors is an integer number (43813857).

Almost surely, 287627713 is an apocalyptic number.

It is an amenable number.

87627713 is a deficient number, since it is larger than the sum of its proper divisors (1).

87627713 is an equidigital number, since it uses as much as digits as its factorization.

87627713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 98784, while the sum is 41.

The square root of 87627713 is about 9360.9675247808. The cubic root of 87627713 is about 444.1678899341.

The spelling of 87627713 in words is "eighty-seven million, six hundred twenty-seven thousand, seven hundred thirteen".