1987063099 has 8 divisors (see below), whose sum is σ = 2279566080. Its totient is φ = 1696719336.

The previous prime is 1987063097. The next prime is 1987063109. The reversal of 1987063099 is 9903607891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1987063099 - 2¹ = 1987063097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1987063097) 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 7 ways as a sum of consecutive naturals, for example, 537829 + ... + 541510.

It is an arithmetic number, because the mean of its divisors is an integer number (284945760).

Almost surely, 2^1987063099 is an apocalyptic number.

1987063099 is a deficient number, since it is larger than the sum of its proper divisors (292502981).

1987063099 is a wasteful number, since it uses less digits than its factorization.

1987063099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079609.

The product of its (nonzero) digits is 734832, while the sum is 52.

The square root of 1987063099 is about 44576.4859427030. The cubic root of 1987063099 is about 1257.1985924208.

The spelling of 1987063099 in words is "one billion, nine hundred eighty-seven million, sixty-three thousand, ninety-nine".