116784990 has 160 divisors (see below), whose sum is σ = 367994880. Its totient is φ = 26018496.

The previous prime is 116784973. The next prime is 116785003. The reversal of 116784990 is 99487611.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 243571 + ... + 244049.

It is an arithmetic number, because the mean of its divisors is an integer number (2299968).

Almost surely, 2^116784990 is an apocalyptic number.

116784990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 116784990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183997440).

116784990 is an abundant number, since it is smaller than the sum of its proper divisors (251209890).

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

116784990 is a wasteful number, since it uses less digits than its factorization.

116784990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 116784990 is about 10806.7104152929. The cubic root of 116784990 is about 488.7975374732.

The spelling of 116784990 in words is "one hundred sixteen million, seven hundred eighty-four thousand, nine hundred ninety".