84948770769 has 16 divisors (see below), whose sum is σ = 114170031360. Its totient is φ = 56180318480.

The previous prime is 84948770759. The next prime is 84948770773. The reversal of 84948770769 is 96707784948.

It is a cyclic number.

It is not a de Polignac number, because 84948770769 - 2³⁶ = 16229294033 is a prime.

It is a super-2 number, since 2×84948770769² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84948770759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1118254 + ... + 1191800.

It is an arithmetic number, because the mean of its divisors is an integer number (7135626960).

Almost surely, 2^84948770769 is an apocalyptic number.

It is an amenable number.

84948770769 is a deficient number, since it is larger than the sum of its proper divisors (29221260591).

84948770769 is a wasteful number, since it uses less digits than its factorization.

84948770769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76620.

The product of its (nonzero) digits is 170698752, while the sum is 69.

The spelling of 84948770769 in words is "eighty-four billion, nine hundred forty-eight million, seven hundred seventy thousand, seven hundred sixty-nine".