2447097820 has 24 divisors (see below), whose sum is σ = 5163269328. Its totient is φ = 974198400.

The previous prime is 2447097797. The next prime is 2447097841. The reversal of 2447097820 is 287907442.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285721 + ... + 294160.

It is an arithmetic number, because the mean of its divisors is an integer number (215136222).

Almost surely, 2^2447097820 is an apocalyptic number.

2447097820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2447097820 is an abundant number, since it is smaller than the sum of its proper divisors (2716171508).

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

2447097820 is a wasteful number, since it uses less digits than its factorization.

2447097820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580101 (or 580099 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 2447097820 is about 49468.1495509990. The cubic root of 2447097820 is about 1347.5672364200.

The spelling of 2447097820 in words is "two billion, four hundred forty-seven million, ninety-seven thousand, eight hundred twenty".