6797409578 has 4 divisors (see below), whose sum is σ = 10196114370. Its totient is φ = 3398704788.

The previous prime is 6797409551. The next prime is 6797409589. The reversal of 6797409578 is 8759047976.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6455640409 + 341769169 = 80347^2 + 18487^2 .

It is a super-2 number, since 2×6797409578² = 92409553942172276168, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6797409578.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1699352393 + ... + 1699352396.

Almost surely, 2^6797409578 is an apocalyptic number.

6797409578 is a deficient number, since it is larger than the sum of its proper divisors (3398704792).

6797409578 is a wasteful number, since it uses less digits than its factorization.

6797409578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3398704791.

The product of its (nonzero) digits is 26671680, while the sum is 62.

The square root of 6797409578 is about 82446.4042757475. The cubic root of 6797409578 is about 1894.2958727897.

The spelling of 6797409578 in words is "six billion, seven hundred ninety-seven million, four hundred nine thousand, five hundred seventy-eight".