87617011 has 2 divisors, whose sum is σ = 87617012. Its totient is φ = 87617010.

The previous prime is 87616987. The next prime is 87617017. The reversal of 87617011 is 11071678.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87617011 - 2⁵ = 87616979 is a prime.

It is not a weakly prime, because it can be changed into another prime (87617017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43808505 + 43808506.

It is an arithmetic number, because the mean of its divisors is an integer number (43808506).

Almost surely, 2^87617011 is an apocalyptic number.

87617011 is a deficient number, since it is larger than the sum of its proper divisors (1).

87617011 is an equidigital number, since it uses as much as digits as its factorization.

87617011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 31.

The square root of 87617011 is about 9360.3958783804. The cubic root of 87617011 is about 444.1498070768.

Adding to 87617011 its reverse (11071678), we get a palindrome (98688689).

The spelling of 87617011 in words is "eighty-seven million, six hundred seventeen thousand, eleven".