19877025775005 has 48 divisors (see below), whose sum is σ = 41106230187840. Its totient is φ = 9086640351264.

The previous prime is 19877025774961. The next prime is 19877025775073. The reversal of 19877025775005 is 50057752077891.

19877025775005 is a `hidden beast` number, since 1 + 9 + 8 + 7 + 7 + 0 + 2 + 577 + 50 + 0 + 5 = 666.

It is not a de Polignac number, because 19877025775005 - 2¹⁰ = 19877025773981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1502414079 + ... + 1502427308.

It is an arithmetic number, because the mean of its divisors is an integer number (856379795580).

Almost surely, 2^{19877025775005} is an apocalyptic number.

19877025775005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19877025775005 is an abundant number, since it is smaller than the sum of its proper divisors (21229204412835).

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

19877025775005 is a wasteful number, since it uses less digits than its factorization.

19877025775005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3004841415 (or 3004841402 counting only the distinct ones).

The product of its (nonzero) digits is 43218000, while the sum is 63.

The spelling of 19877025775005 in words is "nineteen trillion, eight hundred seventy-seven billion, twenty-five million, seven hundred seventy-five thousand, five".