2828578281 has 8 divisors (see below), whose sum is σ = 3773191584. Its totient is φ = 1884841920.

The previous prime is 2828578271. The next prime is 2828578289. The reversal of 2828578281 is 1828758282.

2828578281 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 not a de Polignac number, because 2828578281 - 2⁶ = 2828578217 is a prime.

It is a super-2 number, since 2×2828578281² = 16001710183489829922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2828578289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211671 + ... + 224636.

It is an arithmetic number, because the mean of its divisors is an integer number (471648948).

Almost surely, 2^2828578281 is an apocalyptic number.

It is an amenable number.

2828578281 is a deficient number, since it is larger than the sum of its proper divisors (944613303).

2828578281 is a wasteful number, since it uses less digits than its factorization.

2828578281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438471.

The product of its digits is 1146880, while the sum is 51.

The square root of 2828578281 is about 53184.3800471529. The cubic root of 2828578281 is about 1414.2387546333.

The spelling of 2828578281 in words is "two billion, eight hundred twenty-eight million, five hundred seventy-eight thousand, two hundred eighty-one".