2878920730 has 16 divisors (see below), whose sum is σ = 5922351360. Its totient is φ = 987058512.

The previous prime is 2878920719. The next prime is 2878920731. The reversal of 2878920730 is 370298782.

It is not an unprimeable number, because it can be changed into a prime (2878920731) 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, 20563650 + ... + 20563789.

It is an arithmetic number, because the mean of its divisors is an integer number (370146960).

Almost surely, 2^2878920730 is an apocalyptic number.

2878920730 is an abundant number, since it is smaller than the sum of its proper divisors (3043430630).

2878920730 is a wasteful number, since it uses less digits than its factorization.

2878920730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41127453.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 2878920730 is about 53655.5750132267. The cubic root of 2878920730 is about 1422.5795751355.

The spelling of 2878920730 in words is "two billion, eight hundred seventy-eight million, nine hundred twenty thousand, seven hundred thirty".