1987347012832 has 12 divisors (see below), whose sum is σ = 3912589431576. Its totient is φ = 993673506400.

The previous prime is 1987347012829. The next prime is 1987347012841. The reversal of 1987347012832 is 2382107437891.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31052297044 + ... + 31052297107.

It is an arithmetic number, because the mean of its divisors is an integer number (326049119298).

Almost surely, 2^{1987347012832} is an apocalyptic number.

It is an amenable number.

1987347012832 is a deficient number, since it is larger than the sum of its proper divisors (1925242418744).

1987347012832 is an equidigital number, since it uses as much as digits as its factorization.

1987347012832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62104594161 (or 62104594153 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 1987347012832 in words is "one trillion, nine hundred eighty-seven billion, three hundred forty-seven million, twelve thousand, eight hundred thirty-two".