670602839 has 2 divisors, whose sum is σ = 670602840. Its totient is φ = 670602838.

The previous prime is 670602817. The next prime is 670602857. The reversal of 670602839 is 938206076.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 670602839 - 2¹² = 670598743 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 670602796 and 670602805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670602869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335301419 + 335301420.

It is an arithmetic number, because the mean of its divisors is an integer number (335301420).

Almost surely, 2^670602839 is an apocalyptic number.

670602839 is a deficient number, since it is larger than the sum of its proper divisors (1).

670602839 is an equidigital number, since it uses as much as digits as its factorization.

670602839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 670602839 is about 25896.0004440840. Note that the first 3 decimals coincide. The cubic root of 670602839 is about 875.2963737255.

The spelling of 670602839 in words is "six hundred seventy million, six hundred two thousand, eight hundred thirty-nine".