842788478996874 has 12 divisors (see below), whose sum is σ = 1826041704493266. Its totient is φ = 280929492998952.

The previous prime is 842788478996857. The next prime is 842788478996927. The reversal of 842788478996874 is 478699874887248.

842788478996874 is a `hidden beast` number, since 8 + 42 + 7 + 8 + 8 + 478 + 9 + 9 + 6 + 87 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 810828757253025 + 31959721743849 = 28475055^2 + 5653293^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23410791083229 + ... + 23410791083264.

Almost surely, 2^{842788478996874} is an apocalyptic number.

842788478996874 is an abundant number, since it is smaller than the sum of its proper divisors (983253225496392).

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

842788478996874 is a wasteful number, since it uses less digits than its factorization.

842788478996874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46821582166501 (or 46821582166498 counting only the distinct ones).

The product of its digits is 699182088192, while the sum is 99.

The spelling of 842788478996874 in words is "eight hundred forty-two trillion, seven hundred eighty-eight billion, four hundred seventy-eight million, nine hundred ninety-six thousand, eight hundred seventy-four".