116620785 has 48 divisors (see below), whose sum is σ = 207237888. Its totient is φ = 60652800.

The previous prime is 116620783. The next prime is 116620807. The reversal of 116620785 is 587026611.

It is not a de Polignac number, because 116620785 - 2¹ = 116620783 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (116620783) 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 47 ways as a sum of consecutive naturals, for example, 430200 + ... + 430470.

It is an arithmetic number, because the mean of its divisors is an integer number (4317456).

Almost surely, 2^116620785 is an apocalyptic number.

116620785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116620785 is a deficient number, since it is larger than the sum of its proper divisors (90617103).

116620785 is a wasteful number, since it uses less digits than its factorization.

116620785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 116620785 is about 10799.1103800267. The cubic root of 116620785 is about 488.5683395062.

The spelling of 116620785 in words is "one hundred sixteen million, six hundred twenty thousand, seven hundred eighty-five".