84948770773 has 2 divisors, whose sum is σ = 84948770774. Its totient is φ = 84948770772.

The previous prime is 84948770759. The next prime is 84948770801. The reversal of 84948770773 is 37707784948.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84717669969 + 231100804 = 291063^2 + 15202^2 .

It is a cyclic number.

It is not a de Polignac number, because 84948770773 - 2⁹ = 84948770261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84948770273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42474385386 + 42474385387.

It is an arithmetic number, because the mean of its divisors is an integer number (42474385387).

Almost surely, 2^84948770773 is an apocalyptic number.

It is an amenable number.

84948770773 is a deficient number, since it is larger than the sum of its proper divisors (1).

84948770773 is an equidigital number, since it uses as much as digits as its factorization.

84948770773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 66382848, while the sum is 64.

The spelling of 84948770773 in words is "eighty-four billion, nine hundred forty-eight million, seven hundred seventy thousand, seven hundred seventy-three".