86838111 has 6 divisors (see below), whose sum is σ = 125432840. Its totient is φ = 57892068.

The previous prime is 86838107. The next prime is 86838121. The reversal of 86838111 is 11183868.

It is not a de Polignac number, because 86838111 - 2² = 86838107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86838121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4824331 + ... + 4824348.

Almost surely, 2^86838111 is an apocalyptic number.

86838111 is a deficient number, since it is larger than the sum of its proper divisors (38594729).

86838111 is a wasteful number, since it uses less digits than its factorization.

86838111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9648685 (or 9648682 counting only the distinct ones).

The product of its digits is 9216, while the sum is 36.

The square root of 86838111 is about 9318.6968509551. The cubic root of 86838111 is about 442.8297494230.

The spelling of 86838111 in words is "eighty-six million, eight hundred thirty-eight thousand, one hundred eleven".