1987700733994 has 16 divisors (see below), whose sum is σ = 3028549965120. Its totient is φ = 978239535840.

The previous prime is 1987700733961. The next prime is 1987700734003. The reversal of 1987700733994 is 4993370077891.

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 7 ways as a sum of consecutive naturals, for example, 13792254 + ... + 13935625.

It is an arithmetic number, because the mean of its divisors is an integer number (189284372820).

Almost surely, 2^{1987700733994} is an apocalyptic number.

1987700733994 is a deficient number, since it is larger than the sum of its proper divisors (1040849231126).

1987700733994 is a wasteful number, since it uses less digits than its factorization.

1987700733994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27728445.

The product of its (nonzero) digits is 72013536, while the sum is 67.

The spelling of 1987700733994 in words is "one trillion, nine hundred eighty-seven billion, seven hundred million, seven hundred thirty-three thousand, nine hundred ninety-four".