97383779 has 2 divisors, whose sum is σ = 97383780. Its totient is φ = 97383778.

The previous prime is 97383743. The next prime is 97383791. The reversal of 97383779 is 97738379.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97383779 - 2¹² = 97379683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97383779.

It is not a weakly prime, because it can be changed into another prime (97380779) 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, 48691889 + 48691890.

It is an arithmetic number, because the mean of its divisors is an integer number (48691890).

Almost surely, 2^97383779 is an apocalyptic number.

97383779 is a deficient number, since it is larger than the sum of its proper divisors (1).

97383779 is an equidigital number, since it uses as much as digits as its factorization.

97383779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2000376, while the sum is 53.

The square root of 97383779 is about 9868.3219951520. The cubic root of 97383779 is about 460.0752539137.

The spelling of 97383779 in words is "ninety-seven million, three hundred eighty-three thousand, seven hundred seventy-nine".