684273883 has 2 divisors, whose sum is σ = 684273884. Its totient is φ = 684273882.

The previous prime is 684273871. The next prime is 684273899. The reversal of 684273883 is 388372486.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 684273883 - 2⁹ = 684273371 is a prime.

It is not a weakly prime, because it can be changed into another prime (684273823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 342136941 + 342136942.

It is an arithmetic number, because the mean of its divisors is an integer number (342136942).

Almost surely, 2^684273883 is an apocalyptic number.

684273883 is a deficient number, since it is larger than the sum of its proper divisors (1).

684273883 is an equidigital number, since it uses as much as digits as its factorization.

684273883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1548288, while the sum is 49.

The square root of 684273883 is about 26158.6292263184. The cubic root of 684273883 is about 881.2043955543.

The spelling of 684273883 in words is "six hundred eighty-four million, two hundred seventy-three thousand, eight hundred eighty-three".