9775842445 has 8 divisors (see below), whose sum is σ = 11769224544. Its totient is φ = 7795198224.

The previous prime is 9775842443. The next prime is 9775842449. The reversal of 9775842445 is 5442485779.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9775842445 - 2¹ = 9775842443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9775842443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3182779 + ... + 3185848.

It is an arithmetic number, because the mean of its divisors is an integer number (1471153068).

Almost surely, 2^9775842445 is an apocalyptic number.

It is an amenable number.

9775842445 is a deficient number, since it is larger than the sum of its proper divisors (1993382099).

9775842445 is a wasteful number, since it uses less digits than its factorization.

9775842445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6368939.

The product of its digits is 11289600, while the sum is 55.

The square root of 9775842445 is about 98872.8600021260. The cubic root of 9775842445 is about 2138.2151278169.

The spelling of 9775842445 in words is "nine billion, seven hundred seventy-five million, eight hundred forty-two thousand, four hundred forty-five".