9779534273 has 2 divisors, whose sum is σ = 9779534274. Its totient is φ = 9779534272.

The previous prime is 9779534231. The next prime is 9779534311. The reversal of 9779534273 is 3724359779.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9475659649 + 303874624 = 97343^2 + 17432^2 .

It is a cyclic number.

It is not a de Polignac number, because 9779534273 - 2⁶ = 9779534209 is a prime.

It is not a weakly prime, because it can be changed into another prime (9779534573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4889767136 + 4889767137.

It is an arithmetic number, because the mean of its divisors is an integer number (4889767137).

Almost surely, 2^9779534273 is an apocalyptic number.

It is an amenable number.

9779534273 is a deficient number, since it is larger than the sum of its proper divisors (1).

9779534273 is an equidigital number, since it uses as much as digits as its factorization.

9779534273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10001880, while the sum is 56.

The square root of 9779534273 is about 98891.5278120426. The cubic root of 9779534273 is about 2138.4842582107.

The spelling of 9779534273 in words is "nine billion, seven hundred seventy-nine million, five hundred thirty-four thousand, two hundred seventy-three".