675640783 has 2 divisors, whose sum is σ = 675640784. Its totient is φ = 675640782.

The previous prime is 675640739. The next prime is 675640787. The reversal of 675640783 is 387046576.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-675640783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (675640787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337820391 + 337820392.

It is an arithmetic number, because the mean of its divisors is an integer number (337820392).

Almost surely, 2^675640783 is an apocalyptic number.

675640783 is a deficient number, since it is larger than the sum of its proper divisors (1).

675640783 is an equidigital number, since it uses as much as digits as its factorization.

675640783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 46.

The square root of 675640783 is about 25993.0910628190. The cubic root of 675640783 is about 877.4828130605.

The spelling of 675640783 in words is "six hundred seventy-five million, six hundred forty thousand, seven hundred eighty-three".