2987911906 has 24 divisors (see below), whose sum is σ = 5217825600. Its totient is φ = 1279496232.

The previous prime is 2987911897. The next prime is 2987911909. The reversal of 2987911906 is 6091197892.

It is not an unprimeable number, because it can be changed into a prime (2987911909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115995 + ... + 139393.

It is an arithmetic number, because the mean of its divisors is an integer number (217409400).

Almost surely, 2^2987911906 is an apocalyptic number.

2987911906 is a deficient number, since it is larger than the sum of its proper divisors (2229913694).

2987911906 is a wasteful number, since it uses less digits than its factorization.

2987911906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24718 (or 24711 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 52.

The square root of 2987911906 is about 54661.7956711998. The cubic root of 2987911906 is about 1440.3098461983.

The spelling of 2987911906 in words is "two billion, nine hundred eighty-seven million, nine hundred eleven thousand, nine hundred six".