1478987789874 has 32 divisors (see below), whose sum is σ = 3381000014976. Its totient is φ = 422510878080.

The previous prime is 1478987789863. The next prime is 1478987789887. The reversal of 1478987789874 is 4789877898741.

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 15 ways as a sum of consecutive naturals, for example, 2062357 + ... + 2685384.

It is an arithmetic number, because the mean of its divisors is an integer number (105656250468).

Almost surely, 2^{1478987789874} is an apocalyptic number.

1478987789874 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1478987789874 is an abundant number, since it is smaller than the sum of its proper divisors (1902012225102).

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

1478987789874 is a wasteful number, since it uses less digits than its factorization.

1478987789874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4755170.

The product of its digits is 12745506816, while the sum is 87.

The spelling of 1478987789874 in words is "one trillion, four hundred seventy-eight billion, nine hundred eighty-seven million, seven hundred eighty-nine thousand, eight hundred seventy-four".