116780785 has 16 divisors (see below), whose sum is σ = 153110592. Its totient is φ = 84801600.

The previous prime is 116780773. The next prime is 116780789. The reversal of 116780785 is 587087611.

It is not a de Polignac number, because 116780785 - 2⁵ = 116780753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116780789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48715 + ... + 51055.

It is an arithmetic number, because the mean of its divisors is an integer number (9569412).

Almost surely, 2^116780785 is an apocalyptic number.

It is an amenable number.

116780785 is a deficient number, since it is larger than the sum of its proper divisors (36329807).

116780785 is a wasteful number, since it uses less digits than its factorization.

116780785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3264.

The product of its (nonzero) digits is 94080, while the sum is 43.

The square root of 116780785 is about 10806.5158584994. The cubic root of 116780785 is about 488.7916707994.

The spelling of 116780785 in words is "one hundred sixteen million, seven hundred eighty thousand, seven hundred eighty-five".