109772770 has 16 divisors (see below), whose sum is σ = 198919800. Its totient is φ = 43613824.

The previous prime is 109772749. The next prime is 109772783. The reversal of 109772770 is 77277901.

It can be written as a sum of positive squares in 4 ways, for example, as 89170249 + 20602521 = 9443^2 + 4539^2 .

It is a super-2 number, since 2×109772770² = 24100122066945800, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 35347 + ... + 38326.

Almost surely, 2^109772770 is an apocalyptic number.

109772770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109772770 is a deficient number, since it is larger than the sum of its proper divisors (89147030).

109772770 is a wasteful number, since it uses less digits than its factorization.

109772770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73829.

The product of its (nonzero) digits is 43218, while the sum is 40.

The square root of 109772770 is about 10477.2501163235. The cubic root of 109772770 is about 478.8118327107.

The spelling of 109772770 in words is "one hundred nine million, seven hundred seventy-two thousand, seven hundred seventy".