2277878 has 8 divisors (see below), whose sum is σ = 3500280. Its totient is φ = 1111120.

The previous prime is 2277871. The next prime is 2277883. The reversal of 2277878 is 8787722.

2277878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2277871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13808 + ... + 13971.

It is an arithmetic number, because the mean of its divisors is an integer number (437535).

2^2277878 is an apocalyptic number.

2277878 is a deficient number, since it is larger than the sum of its proper divisors (1222402).

2277878 is a wasteful number, since it uses less digits than its factorization.

2277878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27822.

The product of its digits is 87808, while the sum is 41.

The square root of 2277878 is about 1509.2640590699. The cubic root of 2277878 is about 131.5760426082.

The spelling of 2277878 in words is "two million, two hundred seventy-seven thousand, eight hundred seventy-eight".