86155351 has 4 divisors (see below), whose sum is σ = 88483912. Its totient is φ = 83826792.

The previous prime is 86155343. The next prime is 86155361. The reversal of 86155351 is 15355168.

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 86155351 - 2³ = 86155343 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 (86155301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1164225 + ... + 1164298.

It is an arithmetic number, because the mean of its divisors is an integer number (22120978).

Almost surely, 2^86155351 is an apocalyptic number.

86155351 is a deficient number, since it is larger than the sum of its proper divisors (2328561).

86155351 is a wasteful number, since it uses less digits than its factorization.

86155351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328560.

The product of its digits is 18000, while the sum is 34.

The square root of 86155351 is about 9281.9906808831. The cubic root of 86155351 is about 441.6661193459. Note that the first 3 decimals are identical.

The spelling of 86155351 in words is "eighty-six million, one hundred fifty-five thousand, three hundred fifty-one".