109777080 has 64 divisors (see below), whose sum is σ = 376381440. Its totient is φ = 25091712.

The previous prime is 109777067. The next prime is 109777081. The reversal of 109777080 is 80777901.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109777081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64504 + ... + 66183.

It is an arithmetic number, because the mean of its divisors is an integer number (5880960).

Almost surely, 2^109777080 is an apocalyptic number.

109777080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109777080 is an abundant number, since it is smaller than the sum of its proper divisors (266604360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109777080 is a wasteful number, since it uses less digits than its factorization.

109777080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130708 (or 130704 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 39.

The square root of 109777080 is about 10477.4557980456. The cubic root of 109777080 is about 478.8180991463.

The spelling of 109777080 in words is "one hundred nine million, seven hundred seventy-seven thousand, eighty".