87627013 has 2 divisors, whose sum is σ = 87627014. Its totient is φ = 87627012.

The previous prime is 87626971. The next prime is 87627053. The reversal of 87627013 is 31072678.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54656449 + 32970564 = 7393^2 + 5742^2 .

It is a cyclic number.

It is not a de Polignac number, because 87627013 - 2⁹ = 87626501 is a prime.

It is equal to p_5087446 and since 87627013 and 5087446 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87627013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87627053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43813506 + 43813507.

It is an arithmetic number, because the mean of its divisors is an integer number (43813507).

Almost surely, 2^87627013 is an apocalyptic number.

It is an amenable number.

87627013 is a deficient number, since it is larger than the sum of its proper divisors (1).

87627013 is an equidigital number, since it uses as much as digits as its factorization.

87627013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 87627013 is about 9360.9301354086. The cubic root of 87627013 is about 444.1667072095.

It can be divided in two parts, 876 and 27013, that added together give a square (27889 = 167²).

The spelling of 87627013 in words is "eighty-seven million, six hundred twenty-seven thousand, thirteen".