2992393504778 has 8 divisors (see below), whose sum is σ = 4494044196768. Its totient is φ = 1494378772524.

The previous prime is 2992393504777. The next prime is 2992393504783. The reversal of 2992393504778 is 8774053932992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2992393504777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 908987876 + ... + 908991167.

It is an arithmetic number, because the mean of its divisors is an integer number (561755524596).

Almost surely, 2^{2992393504778} is an apocalyptic number.

2992393504778 is a deficient number, since it is larger than the sum of its proper divisors (1501650691990).

2992393504778 is a wasteful number, since it uses less digits than its factorization.

2992393504778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817979868.

The product of its (nonzero) digits is 205752960, while the sum is 68.

The spelling of 2992393504778 in words is "two trillion, nine hundred ninety-two billion, three hundred ninety-three million, five hundred four thousand, seven hundred seventy-eight".