2278112780 has 48 divisors (see below), whose sum is σ = 4884455520. Its totient is φ = 892190208.

The previous prime is 2278112747. The next prime is 2278112819. The reversal of 2278112780 is 872118722.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 577856 + ... + 581784.

It is an arithmetic number, because the mean of its divisors is an integer number (101759490).

Almost surely, 2^2278112780 is an apocalyptic number.

2278112780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2278112780 is an abundant number, since it is smaller than the sum of its proper divisors (2606342740).

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

2278112780 is a wasteful number, since it uses less digits than its factorization.

2278112780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4538 (or 4536 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 38.

The square root of 2278112780 is about 47729.5797174038. The cubic root of 2278112780 is about 1315.8056295004.

The spelling of 2278112780 in words is "two billion, two hundred seventy-eight million, one hundred twelve thousand, seven hundred eighty".