2278872120 has 64 divisors (see below), whose sum is σ = 7813278720. Its totient is φ = 520884864.

The previous prime is 2278872097. The next prime is 2278872121. The reversal of 2278872120 is 212788722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2278872121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1355632 + ... + 1357311.

It is an arithmetic number, because the mean of its divisors is an integer number (122082480).

Almost surely, 2^2278872120 is an apocalyptic number.

2278872120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2278872120 is an abundant number, since it is smaller than the sum of its proper divisors (5534406600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2278872120 is a wasteful number, since it uses less digits than its factorization.

2278872120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2712964 (or 2712960 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 39.

The square root of 2278872120 is about 47737.5336606323. The cubic root of 2278872120 is about 1315.9518079315.

The spelling of 2278872120 in words is "two billion, two hundred seventy-eight million, eight hundred seventy-two thousand, one hundred twenty".