78298383263 has 2 divisors, whose sum is σ = 78298383264. Its totient is φ = 78298383262.

The previous prime is 78298383253. The next prime is 78298383283. The reversal of 78298383263 is 36238389287.

It is a weak prime.

It is an emirp because it is prime and its reverse (36238389287) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78298383263 is a prime.

It is a super-2 number, since 2×78298383263² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78298383253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39149191631 + 39149191632.

It is an arithmetic number, because the mean of its divisors is an integer number (39149191632).

Almost surely, 2^78298383263 is an apocalyptic number.

78298383263 is a deficient number, since it is larger than the sum of its proper divisors (1).

78298383263 is an equidigital number, since it uses as much as digits as its factorization.

78298383263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20901888, while the sum is 59.

The spelling of 78298383263 in words is "seventy-eight billion, two hundred ninety-eight million, three hundred eighty-three thousand, two hundred sixty-three".