116784409 has 16 divisors (see below), whose sum is σ = 143769600. Its totient is φ = 92656080.

The previous prime is 116784397. The next prime is 116784427. The reversal of 116784409 is 904487611.

It is a cyclic number.

It is not a de Polignac number, because 116784409 - 2⁵ = 116784377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116784209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6709 + ... + 16690.

It is an arithmetic number, because the mean of its divisors is an integer number (8985600).

Almost surely, 2^116784409 is an apocalyptic number.

It is an amenable number.

116784409 is a deficient number, since it is larger than the sum of its proper divisors (26985191).

116784409 is a wasteful number, since it uses less digits than its factorization.

116784409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23460.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 116784409 is about 10806.6835338137. The cubic root of 116784409 is about 488.7967268900.

The spelling of 116784409 in words is "one hundred sixteen million, seven hundred eighty-four thousand, four hundred nine".