2278876172 has 12 divisors (see below), whose sum is σ = 3988514880. Its totient is φ = 1139300496.

The previous prime is 2278876153. The next prime is 2278876177. The reversal of 2278876172 is 2716788722.

It is a self number, because there is not a number n which added to its sum of digits gives 2278876172.

It is not an unprimeable number, because it can be changed into a prime (2278876177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8933 + ... + 68099.

It is an arithmetic number, because the mean of its divisors is an integer number (332376240).

Almost surely, 2^2278876172 is an apocalyptic number.

It is an amenable number.

2278876172 is a deficient number, since it is larger than the sum of its proper divisors (1709638708).

2278876172 is a wasteful number, since it uses less digits than its factorization.

2278876172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68800 (or 68798 counting only the distinct ones).

The product of its digits is 1053696, while the sum is 50.

The square root of 2278876172 is about 47737.5761010129. The cubic root of 2278876172 is about 1315.9525878836.

The spelling of 2278876172 in words is "two billion, two hundred seventy-eight million, eight hundred seventy-six thousand, one hundred seventy-two".