1997895703 has 2 divisors, whose sum is σ = 1997895704. Its totient is φ = 1997895702.

The previous prime is 1997895677. The next prime is 1997895707. The reversal of 1997895703 is 3075987991.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1997895703 - 2¹³ = 1997887511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1997895707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 998947851 + 998947852.

It is an arithmetic number, because the mean of its divisors is an integer number (998947852).

Almost surely, 2^1997895703 is an apocalyptic number.

1997895703 is a deficient number, since it is larger than the sum of its proper divisors (1).

1997895703 is an equidigital number, since it uses as much as digits as its factorization.

1997895703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4286520, while the sum is 58.

The square root of 1997895703 is about 44697.8266026437. The cubic root of 1997895703 is about 1259.4790201507.

The spelling of 1997895703 in words is "one billion, nine hundred ninety-seven million, eight hundred ninety-five thousand, seven hundred three".