1987379377296 has 20 divisors (see below), whose sum is σ = 5134063391472. Its totient is φ = 662459792416.

The previous prime is 1987379377261. The next prime is 1987379377303. The reversal of 1987379377296 is 6927739737891.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20701868466 + ... + 20701868561.

Almost surely, 2^{1987379377296} is an apocalyptic number.

1987379377296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1987379377296 is an abundant number, since it is smaller than the sum of its proper divisors (3146684014176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1987379377296 is a wasteful number, since it uses less digits than its factorization.

1987379377296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41403737038 (or 41403737032 counting only the distinct ones).

The product of its digits is 1512284256, while the sum is 78.

The spelling of 1987379377296 in words is "one trillion, nine hundred eighty-seven billion, three hundred seventy-nine million, three hundred seventy-seven thousand, two hundred ninety-six".