9730779023 has 12 divisors (see below), whose sum is σ = 11322031752. Its totient is φ = 8338785840.

The previous prime is 9730778957. The next prime is 9730779031. The reversal of 9730779023 is 3209770379.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-9730779023 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 (9730779043) 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 11 ways as a sum of consecutive naturals, for example, 224453 + ... + 264273.

It is an arithmetic number, because the mean of its divisors is an integer number (943502646).

Almost surely, 2^9730779023 is an apocalyptic number.

9730779023 is a deficient number, since it is larger than the sum of its proper divisors (1591252729).

9730779023 is a wasteful number, since it uses less digits than its factorization.

9730779023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44822 (or 44815 counting only the distinct ones).

The product of its (nonzero) digits is 500094, while the sum is 47.

The square root of 9730779023 is about 98644.7110746440. The cubic root of 9730779023 is about 2134.9245767497.

The spelling of 9730779023 in words is "nine billion, seven hundred thirty million, seven hundred seventy-nine thousand, twenty-three".