8112787783 has 2 divisors, whose sum is σ = 8112787784. Its totient is φ = 8112787782.

The previous prime is 8112787759. The next prime is 8112787831. The reversal of 8112787783 is 3877872118.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8112787783 - 2²¹ = 8110690631 is a prime.

It is a super-2 number, since 2×8112787783² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8112787783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8112787733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4056393891 + 4056393892.

It is an arithmetic number, because the mean of its divisors is an integer number (4056393892).

Almost surely, 2^8112787783 is an apocalyptic number.

8112787783 is a deficient number, since it is larger than the sum of its proper divisors (1).

8112787783 is an equidigital number, since it uses as much as digits as its factorization.

8112787783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1053696, while the sum is 52.

The square root of 8112787783 is about 90071.0152213241. The cubic root of 8112787783 is about 2009.3551542319.

The spelling of 8112787783 in words is "eight billion, one hundred twelve million, seven hundred eighty-seven thousand, seven hundred eighty-three".