10791781 has 16 divisors (see below), whose sum is σ = 14491008. Its totient is φ = 7761600.

The previous prime is 10791779. The next prime is 10791793. The reversal of 10791781 is 18719701.

10791781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10791781 - 2¹ = 10791779 is a prime.

It is a super-2 number, since 2×10791781² = 232925074303922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10791281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4390 + ... + 6391.

It is an arithmetic number, because the mean of its divisors is an integer number (905688).

Almost surely, 2^10791781 is an apocalyptic number.

10791781 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10791781 is a deficient number, since it is larger than the sum of its proper divisors (3699227).

10791781 is a wasteful number, since it uses less digits than its factorization.

10791781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10812.

The product of its (nonzero) digits is 3528, while the sum is 34.

The square root of 10791781 is about 3285.0846260028. The cubic root of 10791781 is about 220.9858033645.

The spelling of 10791781 in words is "ten million, seven hundred ninety-one thousand, seven hundred eighty-one".