2285797878 has 48 divisors (see below), whose sum is σ = 6095465376. Its totient is φ = 602847360.

The previous prime is 2285797873. The next prime is 2285797889. The reversal of 2285797878 is 8787975822.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2285797873) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 696103 + ... + 699378.

It is an arithmetic number, because the mean of its divisors is an integer number (126988862).

Almost surely, 2^2285797878 is an apocalyptic number.

2285797878 is an abundant number, since it is smaller than the sum of its proper divisors (3809667498).

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

2285797878 is a wasteful number, since it uses less digits than its factorization.

2285797878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395509 (or 1395506 counting only the distinct ones).

The product of its digits is 31610880, while the sum is 63.

The square root of 2285797878 is about 47810.0185944327. The cubic root of 2285797878 is about 1317.2835700254.

The spelling of 2285797878 in words is "two billion, two hundred eighty-five million, seven hundred ninety-seven thousand, eight hundred seventy-eight".