118928780 has 24 divisors (see below), whose sum is σ = 250311600. Its totient is φ = 47464640.

The previous prime is 118928759. The next prime is 118928783. The reversal of 118928780 is 87829811.

It is not an unprimeable number, because it can be changed into a prime (118928783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2771 + ... + 15669.

It is an arithmetic number, because the mean of its divisors is an integer number (10429650).

Almost surely, 2^118928780 is an apocalyptic number.

118928780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118928780 is an abundant number, since it is smaller than the sum of its proper divisors (131382820).

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

118928780 is a wasteful number, since it uses less digits than its factorization.

118928780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13369 (or 13367 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 44.

The square root of 118928780 is about 10905.4472627215. The cubic root of 118928780 is about 491.7703281699.

The spelling of 118928780 in words is "one hundred eighteen million, nine hundred twenty-eight thousand, seven hundred eighty".