1109859977 has 16 divisors (see below), whose sum is σ = 1242527040. Its totient is φ = 985171968.

The previous prime is 1109859973. The next prime is 1109859983. The reversal of 1109859977 is 7799589011.

It is a cyclic number.

It is not a de Polignac number, because 1109859977 - 2² = 1109859973 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1109859973) 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 15 ways as a sum of consecutive naturals, for example, 65753 + ... + 80889.

It is an arithmetic number, because the mean of its divisors is an integer number (77657940).

Almost surely, 2^1109859977 is an apocalyptic number.

1109859977 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1109859977 is a deficient number, since it is larger than the sum of its proper divisors (132667063).

1109859977 is a wasteful number, since it uses less digits than its factorization.

1109859977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15400.

The product of its (nonzero) digits is 1428840, while the sum is 56.

The square root of 1109859977 is about 33314.5610356793. The cubic root of 1109859977 is about 1035.3552661861.

The spelling of 1109859977 in words is "one billion, one hundred nine million, eight hundred fifty-nine thousand, nine hundred seventy-seven".