86910273 has 16 divisors (see below), whose sum is σ = 136330560. Its totient is φ = 54531648.

The previous prime is 86910269. The next prime is 86910281. The reversal of 86910273 is 37201968.

It is not a de Polignac number, because 86910273 - 2² = 86910269 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86910253) 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 15 ways as a sum of consecutive naturals, for example, 94215 + ... + 95132.

It is an arithmetic number, because the mean of its divisors is an integer number (8520660).

Almost surely, 2^86910273 is an apocalyptic number.

It is an amenable number.

86910273 is a deficient number, since it is larger than the sum of its proper divisors (49420287).

86910273 is a wasteful number, since it uses less digits than its factorization.

86910273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189373 (or 189367 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 86910273 is about 9322.5679402190. The cubic root of 86910273 is about 442.9523785025.

The spelling of 86910273 in words is "eighty-six million, nine hundred ten thousand, two hundred seventy-three".