86955611 has 2 divisors, whose sum is σ = 86955612. Its totient is φ = 86955610.

The previous prime is 86955607. The next prime is 86955613. The reversal of 86955611 is 11655968.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86955611 - 2² = 86955607 is a prime.

It is a super-2 number, since 2×86955611² = 15122556568766642, which contains 22 as substring.

Together with 86955613, 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 (86955613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43477805 + 43477806.

It is an arithmetic number, because the mean of its divisors is an integer number (43477806).

Almost surely, 2^86955611 is an apocalyptic number.

86955611 is a deficient number, since it is larger than the sum of its proper divisors (1).

86955611 is an equidigital number, since it uses as much as digits as its factorization.

86955611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 41.

The square root of 86955611 is about 9324.9992493297. Note that the first 3 decimals coincide. The cubic root of 86955611 is about 443.0293892828.

The spelling of 86955611 in words is "eighty-six million, nine hundred fifty-five thousand, six hundred eleven".