86540853 has 8 divisors (see below), whose sum is σ = 131871808. Its totient is φ = 49451904.

The previous prime is 86540837. The next prime is 86540879. The reversal of 86540853 is 35804568.

It is a happy number.

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

It is not a de Polignac number, because 86540853 - 2⁴ = 86540837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86540803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2060476 + ... + 2060517.

It is an arithmetic number, because the mean of its divisors is an integer number (16483976).

Almost surely, 2^86540853 is an apocalyptic number.

It is an amenable number.

86540853 is a deficient number, since it is larger than the sum of its proper divisors (45330955).

86540853 is a wasteful number, since it uses less digits than its factorization.

86540853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4121003.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 86540853 is about 9302.7336304981. The cubic root of 86540853 is about 442.3238840787.

The spelling of 86540853 in words is "eighty-six million, five hundred forty thousand, eight hundred fifty-three".