2047863844 has 72 divisors (see below), whose sum is σ = 4058573568. Its totient is φ = 897842880.

The previous prime is 2047863841. The next prime is 2047863869. The reversal of 2047863844 is 4483687402.

It is a junction number, because it is equal to n+sod(n) for n = 2047863794 and 2047863803.

It is not an unprimeable number, because it can be changed into a prime (2047863841) 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, 7236127 + ... + 7236409.

Almost surely, 2^2047863844 is an apocalyptic number.

It is an amenable number.

2047863844 is a deficient number, since it is larger than the sum of its proper divisors (2010709724).

2047863844 is a wasteful number, since it uses less digits than its factorization.

2047863844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 46.

The square root of 2047863844 is about 45253.3296454526. The cubic root of 2047863844 is about 1269.8926984798.

The spelling of 2047863844 in words is "two billion, forty-seven million, eight hundred sixty-three thousand, eight hundred forty-four".