9730219778 has 16 divisors (see below), whose sum is σ = 14647914720. Its totient is φ = 4847614176.

The previous prime is 9730219757. The next prime is 9730219799. The reversal of 9730219778 is 8779120379.

It is an interprime number because it is at equal distance from previous prime (9730219757) and next prime (9730219799).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 633101 + ... + 648287.

It is an arithmetic number, because the mean of its divisors is an integer number (915494670).

Almost surely, 2^9730219778 is an apocalyptic number.

9730219778 is a deficient number, since it is larger than the sum of its proper divisors (4917694942).

9730219778 is a wasteful number, since it uses less digits than its factorization.

9730219778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16321.

The product of its (nonzero) digits is 1333584, while the sum is 53.

The square root of 9730219778 is about 98641.8763913177. The cubic root of 9730219778 is about 2134.8836766749.

The spelling of 9730219778 in words is "nine billion, seven hundred thirty million, two hundred nineteen thousand, seven hundred seventy-eight".