9279798213 has 12 divisors (see below), whose sum is σ = 14393156640. Its totient is φ = 5302741752.

The previous prime is 9279798197. The next prime is 9279798239. The reversal of 9279798213 is 3128979729.

9279798213 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9279798213 - 2⁴ = 9279798197 is a prime.

It is a super-2 number, since 2×9279798213² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9279798613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31563793 + ... + 31564086.

It is an arithmetic number, because the mean of its divisors is an integer number (1199429720).

Almost surely, 2^9279798213 is an apocalyptic number.

It is an amenable number.

9279798213 is a deficient number, since it is larger than the sum of its proper divisors (5113358427).

9279798213 is a wasteful number, since it uses less digits than its factorization.

9279798213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63127896 (or 63127889 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 57.

The square root of 9279798213 is about 96331.7092810047. The cubic root of 9279798213 is about 2101.4199174825.

The spelling of 9279798213 in words is "nine billion, two hundred seventy-nine million, seven hundred ninety-eight thousand, two hundred thirteen".