2978793297 has 12 divisors (see below), whose sum is σ = 4373238324. Its totient is φ = 1953306720.

The previous prime is 2978793287. The next prime is 2978793347. The reversal of 2978793297 is 7923978792.

It can be written as a sum of positive squares in 2 ways, for example, as 53714241 + 2925079056 = 7329^2 + 54084^2 .

It is not a de Polignac number, because 2978793297 - 2⁴ = 2978793281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2978793277) 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, 2712378 + ... + 2713475.

It is an arithmetic number, because the mean of its divisors is an integer number (364436527).

Almost surely, 2^2978793297 is an apocalyptic number.

It is an amenable number.

2978793297 is a deficient number, since it is larger than the sum of its proper divisors (1394445027).

2978793297 is a wasteful number, since it uses less digits than its factorization.

2978793297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5425920 (or 5425917 counting only the distinct ones).

The product of its digits is 24004512, while the sum is 63.

The square root of 2978793297 is about 54578.3225923993. The cubic root of 2978793297 is about 1438.8431579803.

The spelling of 2978793297 in words is "two billion, nine hundred seventy-eight million, seven hundred ninety-three thousand, two hundred ninety-seven".