8390820273 has 16 divisors (see below), whose sum is σ = 12502510272. Its totient is φ = 4961312000.

The previous prime is 8390820259. The next prime is 8390820281. The reversal of 8390820273 is 3720280938.

It is a cyclic number.

It is not a de Polignac number, because 8390820273 - 2⁶ = 8390820209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8390820283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3099468 + ... + 3102173.

It is an arithmetic number, because the mean of its divisors is an integer number (781406892).

Almost surely, 2^8390820273 is an apocalyptic number.

It is an amenable number.

8390820273 is a deficient number, since it is larger than the sum of its proper divisors (4111689999).

8390820273 is a wasteful number, since it uses less digits than its factorization.

8390820273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6201696.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 8390820273 is about 91601.4206931312. The cubic root of 8390820273 is about 2032.0519483982.

The spelling of 8390820273 in words is "eight billion, three hundred ninety million, eight hundred twenty thousand, two hundred seventy-three".