86934811 has 4 divisors (see below), whose sum is σ = 87212872. Its totient is φ = 86656752.

The previous prime is 86934791. The next prime is 86934829. The reversal of 86934811 is 11843968.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86934811 - 2¹¹ = 86932763 is a prime.

It is a super-2 number, since 2×86934811² = 15115322727211442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86934851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138561 + ... + 139186.

It is an arithmetic number, because the mean of its divisors is an integer number (21803218).

Almost surely, 2^86934811 is an apocalyptic number.

86934811 is a deficient number, since it is larger than the sum of its proper divisors (278061).

86934811 is a wasteful number, since it uses less digits than its factorization.

86934811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278060.

The product of its digits is 41472, while the sum is 40.

The square root of 86934811 is about 9323.8839010361. The cubic root of 86934811 is about 442.9940618859.

The spelling of 86934811 in words is "eighty-six million, nine hundred thirty-four thousand, eight hundred eleven".