2872987872730 has 16 divisors (see below), whose sum is σ = 5171400658944. Its totient is φ = 1149190151760.

The previous prime is 2872987872721. The next prime is 2872987872731. The reversal of 2872987872730 is 372787892782.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2872987872730.

It is not an unprimeable number, because it can be changed into a prime (2872987872731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2565979 + ... + 3511441.

It is an arithmetic number, because the mean of its divisors is an integer number (323212541184).

Almost surely, 2^{2872987872730} is an apocalyptic number.

2872987872730 is a deficient number, since it is larger than the sum of its proper divisors (2298412786214).

2872987872730 is a wasteful number, since it uses less digits than its factorization.

2872987872730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249341.

The product of its (nonzero) digits is 265531392, while the sum is 70.

The spelling of 2872987872730 in words is "two trillion, eight hundred seventy-two billion, nine hundred eighty-seven million, eight hundred seventy-two thousand, seven hundred thirty".