2984135987 has 16 divisors (see below), whose sum is σ = 3626073792. Its totient is φ = 2397358080.

The previous prime is 2984135971. The next prime is 2984136013. The reversal of 2984135987 is 7895314892.

It is a cyclic number.

It is not a de Polignac number, because 2984135987 - 2⁴ = 2984135971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2984138987) 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, 23348 + ... + 80705.

It is an arithmetic number, because the mean of its divisors is an integer number (226629612).

Almost surely, 2^2984135987 is an apocalyptic number.

2984135987 is a deficient number, since it is larger than the sum of its proper divisors (641937805).

2984135987 is a wasteful number, since it uses less digits than its factorization.

2984135987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104318.

The product of its digits is 4354560, while the sum is 56.

The square root of 2984135987 is about 54627.2458302631. The cubic root of 2984135987 is about 1439.7028687028.

The spelling of 2984135987 in words is "two billion, nine hundred eighty-four million, one hundred thirty-five thousand, nine hundred eighty-seven".