2872978297738 has 8 divisors (see below), whose sum is σ = 4309478867232. Its totient is φ = 1436485341996.

The previous prime is 2872978297703. The next prime is 2872978297747. The reversal of 2872978297738 is 8377928792782.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 841620 + ... + 2540527.

It is an arithmetic number, because the mean of its divisors is an integer number (538684858404).

Almost surely, 2^{2872978297738} is an apocalyptic number.

2872978297738 is a deficient number, since it is larger than the sum of its proper divisors (1436500569494).

2872978297738 is a wasteful number, since it uses less digits than its factorization.

2872978297738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3806876.

The product of its digits is 2389782528, while the sum is 79.

The spelling of 2872978297738 in words is "two trillion, eight hundred seventy-two billion, nine hundred seventy-eight million, two hundred ninety-seven thousand, seven hundred thirty-eight".