9468779785 has 4 divisors (see below), whose sum is σ = 11362535748. Its totient is φ = 7575023824.

The previous prime is 9468779777. The next prime is 9468779791. The reversal of 9468779785 is 5879778649.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4070057209 + 5398722576 = 63797^2 + 73476^2 .

It is a cyclic number.

It is not a de Polignac number, because 9468779785 - 2³ = 9468779777 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 946877974 + ... + 946877983.

It is an arithmetic number, because the mean of its divisors is an integer number (2840633937).

Almost surely, 2^9468779785 is an apocalyptic number.

It is an amenable number.

9468779785 is a deficient number, since it is larger than the sum of its proper divisors (1893755963).

9468779785 is a wasteful number, since it uses less digits than its factorization.

9468779785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1893755962.

The product of its digits is 213373440, while the sum is 70.

The square root of 9468779785 is about 97307.6553257759. The cubic root of 9468779785 is about 2115.5891876799.

The spelling of 9468779785 in words is "nine billion, four hundred sixty-eight million, seven hundred seventy-nine thousand, seven hundred eighty-five".