86651011 has 2 divisors, whose sum is σ = 86651012. Its totient is φ = 86651010.

The previous prime is 86651009. The next prime is 86651053. The reversal of 86651011 is 11015668.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86651011 - 2¹ = 86651009 is a prime.

Together with 86651009, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86651611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43325505 + 43325506.

It is an arithmetic number, because the mean of its divisors is an integer number (43325506).

Almost surely, 2^86651011 is an apocalyptic number.

86651011 is a deficient number, since it is larger than the sum of its proper divisors (1).

86651011 is an equidigital number, since it uses as much as digits as its factorization.

86651011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 86651011 is about 9308.6524803540. The cubic root of 86651011 is about 442.5114827795.

Adding to 86651011 its reverse (11015668), we get a palindrome (97666679).

The spelling of 86651011 in words is "eighty-six million, six hundred fifty-one thousand, eleven".