83857003 has 2 divisors, whose sum is σ = 83857004. Its totient is φ = 83857002.

The previous prime is 83856979. The next prime is 83857019. The reversal of 83857003 is 30075838.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83857003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83857003.

It is not a weakly prime, because it can be changed into another prime (83857043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41928501 + 41928502.

It is an arithmetic number, because the mean of its divisors is an integer number (41928502).

Almost surely, 2^83857003 is an apocalyptic number.

83857003 is a deficient number, since it is larger than the sum of its proper divisors (1).

83857003 is an equidigital number, since it uses as much as digits as its factorization.

83857003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 83857003 is about 9157.3469411178. The cubic root of 83857003 is about 437.7032577173.

The spelling of 83857003 in words is "eighty-three million, eight hundred fifty-seven thousand, three".