857818483 has 2 divisors, whose sum is σ = 857818484. Its totient is φ = 857818482.

The previous prime is 857818477. The next prime is 857818499. The reversal of 857818483 is 384818758.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 857818483 - 2²¹ = 855721331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 857818483.

It is not a weakly prime, because it can be changed into another prime (857818183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 428909241 + 428909242.

It is an arithmetic number, because the mean of its divisors is an integer number (428909242).

Almost surely, 2^857818483 is an apocalyptic number.

857818483 is a deficient number, since it is larger than the sum of its proper divisors (1).

857818483 is an equidigital number, since it uses as much as digits as its factorization.

857818483 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1720320, while the sum is 52.

The square root of 857818483 is about 29288.5384237589. The cubic root of 857818483 is about 950.1637697349.

The spelling of 857818483 in words is "eight hundred fifty-seven million, eight hundred eighteen thousand, four hundred eighty-three".