10787785944 has 64 divisors (see below), whose sum is σ = 29075823840. Its totient is φ = 3315686400.

The previous prime is 10787785909. The next prime is 10787785961. The reversal of 10787785944 is 44958778701.

It is a super-2 number, since 2×10787785944² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273894 + ... + 310794.

Almost surely, 2^10787785944 is an apocalyptic number.

It is an amenable number.

10787785944 is an abundant number, since it is smaller than the sum of its proper divisors (18288037896).

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

10787785944 is a wasteful number, since it uses less digits than its factorization.

10787785944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37860 (or 37856 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 60.

The spelling of 10787785944 in words is "ten billion, seven hundred eighty-seven million, seven hundred eighty-five thousand, nine hundred forty-four".