9795775979 has 8 divisors (see below), whose sum is σ = 10780871472. Its totient is φ = 8826442240.

The previous prime is 9795775973. The next prime is 9795775993.

9795775979 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 9795775979 - 2²⁰ = 9794727403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9795775973) 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 7 ways as a sum of consecutive naturals, for example, 3939134 + ... + 3941619.

It is an arithmetic number, because the mean of its divisors is an integer number (1347608934).

Almost surely, 2^9795775979 is an apocalyptic number.

9795775979 is a deficient number, since it is larger than the sum of its proper divisors (985095493).

9795775979 is a wasteful number, since it uses less digits than its factorization.

9795775979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7880877.

The product of its digits is 393824025, while the sum is 74.

The square root of 9795775979 is about 98973.6125388985. The cubic root of 9795775979 is about 2139.6674577900.

The spelling of 9795775979 in words is "nine billion, seven hundred ninety-five million, seven hundred seventy-five thousand, nine hundred seventy-nine".