787116311 has 4 divisors (see below), whose sum is σ = 787331232. Its totient is φ = 786901392.

The previous prime is 787116301. The next prime is 787116313. The reversal of 787116311 is 113611787.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113611787 = 127 ⋅894581.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-787116311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (787116313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101870 + ... + 109323.

It is an arithmetic number, because the mean of its divisors is an integer number (196832808).

Almost surely, 2^787116311 is an apocalyptic number.

787116311 is a deficient number, since it is larger than the sum of its proper divisors (214921).

787116311 is a wasteful number, since it uses less digits than its factorization.

787116311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214920.

The product of its digits is 7056, while the sum is 35.

The square root of 787116311 is about 28055.5932213169. The cubic root of 787116311 is about 923.3073739554.

The spelling of 787116311 in words is "seven hundred eighty-seven million, one hundred sixteen thousand, three hundred eleven".