690848783 has 2 divisors, whose sum is σ = 690848784. Its totient is φ = 690848782.

The previous prime is 690848747. The next prime is 690848831. The reversal of 690848783 is 387848096.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 690848783 - 2²⁰ = 689800207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (690848083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345424391 + 345424392.

It is an arithmetic number, because the mean of its divisors is an integer number (345424392).

Almost surely, 2^690848783 is an apocalyptic number.

690848783 is a deficient number, since it is larger than the sum of its proper divisors (1).

690848783 is an equidigital number, since it uses as much as digits as its factorization.

690848783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The square root of 690848783 is about 26284.0024159183. The cubic root of 690848783 is about 884.0177779947.

The spelling of 690848783 in words is "six hundred ninety million, eight hundred forty-eight thousand, seven hundred eighty-three".