2827827820 has 12 divisors (see below), whose sum is σ = 5938438464. Its totient is φ = 1131131120.

The previous prime is 2827827767. The next prime is 2827827829. The reversal of 2827827820 is 287287282.

It is a super-2 number, since 2×2827827820² = 15993220359131904800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2827827829) 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, 70695676 + ... + 70695715.

It is an arithmetic number, because the mean of its divisors is an integer number (494869872).

Almost surely, 2^2827827820 is an apocalyptic number.

2827827820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2827827820 is an abundant number, since it is smaller than the sum of its proper divisors (3110610644).

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

2827827820 is a wasteful number, since it uses less digits than its factorization.

2827827820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141391400 (or 141391398 counting only the distinct ones).

The product of its (nonzero) digits is 401408, while the sum is 46.

The square root of 2827827820 is about 53177.3243027515. The cubic root of 2827827820 is about 1414.1136711932.

The spelling of 2827827820 in words is "two billion, eight hundred twenty-seven million, eight hundred twenty-seven thousand, eight hundred twenty".