86854057 has 8 divisors (see below), whose sum is σ = 88579400. Its totient is φ = 85138560.

The previous prime is 86854051. The next prime is 86854063. The reversal of 86854057 is 75045868.

It is an interprime number because it is at equal distance from previous prime (86854051) and next prime (86854063).

It can be written as a sum of positive squares in 4 ways, for example, as 1679616 + 85174441 = 1296^2 + 9229^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86854057 - 2⁷ = 86853929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86854051) 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 7 ways as a sum of consecutive naturals, for example, 16819 + ... + 21367.

It is an arithmetic number, because the mean of its divisors is an integer number (11072425).

Almost surely, 2^86854057 is an apocalyptic number.

It is an amenable number.

86854057 is a deficient number, since it is larger than the sum of its proper divisors (1725343).

86854057 is a wasteful number, since it uses less digits than its factorization.

86854057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4923.

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 86854057 is about 9319.5524034151. The cubic root of 86854057 is about 442.8568532330.

The spelling of 86854057 in words is "eighty-six million, eight hundred fifty-four thousand, fifty-seven".