2016005787 has 12 divisors (see below), whose sum is σ = 2987020920. Its totient is φ = 1343848320.

The previous prime is 2016005779. The next prime is 2016005801. The reversal of 2016005787 is 7875006102.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

2016005787 is a `hidden beast` number, since 20 + 1 + 60 + 0 + 578 + 7 = 666.

It is not a de Polignac number, because 2016005787 - 2³ = 2016005779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2016055787) 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, 228987 + ... + 237627.

It is an arithmetic number, because the mean of its divisors is an integer number (248918410).

Almost surely, 2^2016005787 is an apocalyptic number.

2016005787 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2016005787 is a deficient number, since it is larger than the sum of its proper divisors (971015133).

2016005787 is an frugal number, since it uses more digits than its factorization.

2016005787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17291 (or 8644 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 2016005787 is about 44899.9530846080. The cubic root of 2016005787 is about 1263.2731282858.

The spelling of 2016005787 in words is "two billion, sixteen million, five thousand, seven hundred eighty-seven".