77849783263 has 12 divisors (see below), whose sum is σ = 90576675360. Its totient is φ = 66716063232.

The previous prime is 77849783257. The next prime is 77849783269. The reversal of 77849783263 is 36238794877.

It is an interprime number because it is at equal distance from previous prime (77849783257) and next prime (77849783269).

It is not a de Polignac number, because 77849783263 - 2¹⁷ = 77849652191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77849783195 and 77849783204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77849783269) 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 11 ways as a sum of consecutive naturals, for example, 126495 + ... + 414367.

It is an arithmetic number, because the mean of its divisors is an integer number (7548056280).

Almost surely, 2^77849783263 is an apocalyptic number.

77849783263 is a deficient number, since it is larger than the sum of its proper divisors (12726892097).

77849783263 is a wasteful number, since it uses less digits than its factorization.

77849783263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293406 (or 293399 counting only the distinct ones).

The product of its digits is 85349376, while the sum is 64.

The spelling of 77849783263 in words is "seventy-seven billion, eight hundred forty-nine million, seven hundred eighty-three thousand, two hundred sixty-three".