19877025774504 has 32 divisors (see below), whose sum is σ = 49692991140000. Its totient is φ = 6625618364352.

The previous prime is 19877025774479. The next prime is 19877025774547. The reversal of 19877025774504 is 40547752077891.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 654354 + ... + 6338945.

It is an arithmetic number, because the mean of its divisors is an integer number (1552905973125).

Almost surely, 2^{19877025774504} is an apocalyptic number.

It is an amenable number.

19877025774504 is an abundant number, since it is smaller than the sum of its proper divisors (29815965365496).

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

19877025774504 is a wasteful number, since it uses less digits than its factorization.

19877025774504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7111737 (or 7111733 counting only the distinct ones).

The product of its (nonzero) digits is 138297600, while the sum is 66.

The spelling of 19877025774504 in words is "nineteen trillion, eight hundred seventy-seven billion, twenty-five million, seven hundred seventy-four thousand, five hundred four".