109052779 has 4 divisors (see below), whose sum is σ = 118966680. Its totient is φ = 99138880.

The previous prime is 109052771. The next prime is 109052791. The reversal of 109052779 is 977250901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 109052779 - 2³ = 109052771 is a prime.

It is a super-3 number, since 3×109052779³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109052771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4956934 + ... + 4956955.

It is an arithmetic number, because the mean of its divisors is an integer number (29741670).

Almost surely, 2^109052779 is an apocalyptic number.

109052779 is a deficient number, since it is larger than the sum of its proper divisors (9913901).

109052779 is an equidigital number, since it uses as much as digits as its factorization.

109052779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9913900.

The product of its (nonzero) digits is 39690, while the sum is 40.

The square root of 109052779 is about 10442.8338586803. The cubic root of 109052779 is about 477.7627058743.

The spelling of 109052779 in words is "one hundred nine million, fifty-two thousand, seven hundred seventy-nine".