108772780 has 12 divisors (see below), whose sum is σ = 228422880. Its totient is φ = 43509104.

The previous prime is 108772759. The next prime is 108772789. The reversal of 108772780 is 87277801.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (108772789) 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, 2719300 + ... + 2719339.

It is an arithmetic number, because the mean of its divisors is an integer number (19035240).

Almost surely, 2^108772780 is an apocalyptic number.

108772780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108772780 is an abundant number, since it is smaller than the sum of its proper divisors (119650100).

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

108772780 is a wasteful number, since it uses less digits than its factorization.

108772780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5438648 (or 5438646 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 40.

The square root of 108772780 is about 10429.4189675168. The cubic root of 108772780 is about 477.3534614253.

The spelling of 108772780 in words is "one hundred eight million, seven hundred seventy-two thousand, seven hundred eighty".