2084969887 has 16 divisors (see below), whose sum is σ = 2799401472. Its totient is φ = 1499677920.

The previous prime is 2084969881. The next prime is 2084969897. The reversal of 2084969887 is 7889694802.

It is a de Polignac number, because none of the positive numbers 2^k-2084969887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2084969881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1040443 + ... + 1042444.

It is an arithmetic number, because the mean of its divisors is an integer number (174962592).

Almost surely, 2^2084969887 is an apocalyptic number.

2084969887 is a deficient number, since it is larger than the sum of its proper divisors (714431585).

2084969887 is a wasteful number, since it uses less digits than its factorization.

2084969887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2082918.

The product of its (nonzero) digits is 13934592, while the sum is 61.

The square root of 2084969887 is about 45661.4704866149. The cubic root of 2084969887 is about 1277.5167281942.

The spelling of 2084969887 in words is "two billion, eighty-four million, nine hundred sixty-nine thousand, eight hundred eighty-seven".