2008971783 has 72 divisors (see below), whose sum is σ = 3780516480. Its totient is φ = 1003803840.

The previous prime is 2008971779. The next prime is 2008971793. The reversal of 2008971783 is 3871798002.

It is not a de Polignac number, because 2008971783 - 2² = 2008971779 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2008971703) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 197328 + ... + 207258.

Almost surely, 2^2008971783 is an apocalyptic number.

2008971783 is a deficient number, since it is larger than the sum of its proper divisors (1771544697).

2008971783 is a wasteful number, since it uses less digits than its factorization.

2008971783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9989 (or 9973 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 2008971783 is about 44821.5548927076. The cubic root of 2008971783 is about 1261.8021961961.

The spelling of 2008971783 in words is "two billion, eight million, nine hundred seventy-one thousand, seven hundred eighty-three".