1987337366 has 16 divisors (see below), whose sum is σ = 3607268256. Its totient is φ = 801614976.

The previous prime is 1987337353. The next prime is 1987337371. The reversal of 1987337366 is 6637337891.

It is a congruent number.

It is an unprimeable number.

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, 4174841 + ... + 4175316.

It is an arithmetic number, because the mean of its divisors is an integer number (225454266).

Almost surely, 2^1987337366 is an apocalyptic number.

1987337366 is a deficient number, since it is larger than the sum of its proper divisors (1619930890).

1987337366 is a wasteful number, since it uses less digits than its factorization.

1987337366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8350183.

The product of its digits is 3429216, while the sum is 53.

The square root of 1987337366 is about 44579.5622006318. The cubic root of 1987337366 is about 1257.2564319234.

The spelling of 1987337366 in words is "one billion, nine hundred eighty-seven million, three hundred thirty-seven thousand, three hundred sixty-six".