97783159 has 2 divisors, whose sum is σ = 97783160. Its totient is φ = 97783158.

The previous prime is 97783129. The next prime is 97783163. The reversal of 97783159 is 95138779.

It is a strong prime.

It is an emirp because it is prime and its reverse (95138779) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97783159 - 2¹¹ = 97781111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97783109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48891579 + 48891580.

It is an arithmetic number, because the mean of its divisors is an integer number (48891580).

Almost surely, 2^97783159 is an apocalyptic number.

97783159 is a deficient number, since it is larger than the sum of its proper divisors (1).

97783159 is an equidigital number, since it uses as much as digits as its factorization.

97783159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 49.

The square root of 97783159 is about 9888.5367471634. The cubic root of 97783159 is about 460.7033333282.

The spelling of 97783159 in words is "ninety-seven million, seven hundred eighty-three thousand, one hundred fifty-nine".