2113759787 has 8 divisors (see below), whose sum is σ = 2266430400. Its totient is φ = 1964237184.

The previous prime is 2113759757. The next prime is 2113759789. The reversal of 2113759787 is 7879573112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2113759787 - 2⁶ = 2113759723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113759789) 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, 785612 + ... + 788297.

It is an arithmetic number, because the mean of its divisors is an integer number (283303800).

Almost surely, 2^2113759787 is an apocalyptic number.

2113759787 is a deficient number, since it is larger than the sum of its proper divisors (152670613).

2113759787 is a wasteful number, since it uses less digits than its factorization.

2113759787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574005.

The product of its digits is 740880, while the sum is 50.

The square root of 2113759787 is about 45975.6434103972. The cubic root of 2113759787 is about 1283.3699826418.

The spelling of 2113759787 in words is "two billion, one hundred thirteen million, seven hundred fifty-nine thousand, seven hundred eighty-seven".