52778000047 has 2 divisors, whose sum is σ = 52778000048. Its totient is φ = 52778000046.

The previous prime is 52778000003. The next prime is 52778000087. The reversal of 52778000047 is 74000087725.

It is an a-pointer prime, because the next prime (52778000087) can be obtained adding 52778000047 to its sum of digits (40).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52778000047 - 2¹⁵ = 52777967279 is a prime.

It is a super-2 number, since 2×52778000047² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52777999973 and 52778000009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52778000087) 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 as a sum of consecutive naturals, namely, 26389000023 + 26389000024.

It is an arithmetic number, because the mean of its divisors is an integer number (26389000024).

Almost surely, 2^52778000047 is an apocalyptic number.

52778000047 is a deficient number, since it is larger than the sum of its proper divisors (1).

52778000047 is an equidigital number, since it uses as much as digits as its factorization.

52778000047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 109760, while the sum is 40.

The spelling of 52778000047 in words is "fifty-two billion, seven hundred seventy-eight million, forty-seven", and thus it is an aban number.