50778205404307 has 2 divisors, whose sum is σ = 50778205404308. Its totient is φ = 50778205404306.

The previous prime is 50778205404293. The next prime is 50778205404359. The reversal of 50778205404307 is 70340450287705.

It is an a-pointer prime, because the next prime (50778205404359) can be obtained adding 50778205404307 to its sum of digits (52).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50778205404307 - 2¹⁹ = 50778204880019 is a prime.

It is a super-2 number, since 2×50778205404307² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50778205401307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25389102702153 + 25389102702154.

It is an arithmetic number, because the mean of its divisors is an integer number (25389102702154).

Almost surely, 2^{50778205404307} is an apocalyptic number.

50778205404307 is a deficient number, since it is larger than the sum of its proper divisors (1).

50778205404307 is an equidigital number, since it uses as much as digits as its factorization.

50778205404307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6585600, while the sum is 52.

The spelling of 50778205404307 in words is "fifty trillion, seven hundred seventy-eight billion, two hundred five million, four hundred four thousand, three hundred seven".