109766979 has 24 divisors (see below), whose sum is σ = 181539072. Its totient is φ = 62607600.

The previous prime is 109766947. The next prime is 109766981. The reversal of 109766979 is 979667901.

It is not a de Polignac number, because 109766979 - 2⁵ = 109766947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109766779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41754 + ... + 44304.

It is an arithmetic number, because the mean of its divisors is an integer number (7564128).

Almost surely, 2^109766979 is an apocalyptic number.

109766979 is a deficient number, since it is larger than the sum of its proper divisors (71772093).

109766979 is a wasteful number, since it uses less digits than its factorization.

109766979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3247 (or 3244 counting only the distinct ones).

The product of its (nonzero) digits is 1285956, while the sum is 54.

The square root of 109766979 is about 10476.9737519954. The cubic root of 109766979 is about 478.8034127474.

It can be divided in two parts, 10976 and 6979, that added together give a triangular number (17955 = T₁₈₉).

The spelling of 109766979 in words is "one hundred nine million, seven hundred sixty-six thousand, nine hundred seventy-nine".