846138777144 has 16 divisors (see below), whose sum is σ = 2115346942920. Its totient is φ = 282046259040.

The previous prime is 846138777137. The next prime is 846138777151. The reversal of 846138777144 is 441777831648.

It is an interprime number because it is at equal distance from previous prime (846138777137) and next prime (846138777151).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17627891167 + ... + 17627891214.

Almost surely, 2^846138777144 is an apocalyptic number.

It is an amenable number.

846138777144 is an abundant number, since it is smaller than the sum of its proper divisors (1269208165776).

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

846138777144 is a wasteful number, since it uses less digits than its factorization.

846138777144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35255782390 (or 35255782386 counting only the distinct ones).

The product of its digits is 25288704, while the sum is 60.

The spelling of 846138777144 in words is "eight hundred forty-six billion, one hundred thirty-eight million, seven hundred seventy-seven thousand, one hundred forty-four".