10777109 has 6 divisors (see below), whose sum is σ = 12536694. Its totient is φ = 9237480.

The previous prime is 10777103. The next prime is 10777111. The reversal of 10777109 is 90177701.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9746884 + 1030225 = 3122^2 + 1015^2 .

It is not a de Polignac number, because 10777109 - 2⁸ = 10776853 is a prime.

It is a super-2 number, since 2×10777109² = 232292156795762, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10777103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 109922 + ... + 110019.

It is an arithmetic number, because the mean of its divisors is an integer number (2089449).

Almost surely, 2^10777109 is an apocalyptic number.

It is an amenable number.

10777109 is a deficient number, since it is larger than the sum of its proper divisors (1759585).

10777109 is an equidigital number, since it uses as much as digits as its factorization.

10777109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219955 (or 219948 counting only the distinct ones).

The product of its (nonzero) digits is 3087, while the sum is 32.

The square root of 10777109 is about 3282.8507428758. The cubic root of 10777109 is about 220.8856106290.

The spelling of 10777109 in words is "ten million, seven hundred seventy-seven thousand, one hundred nine".