47772407773 has 2 divisors, whose sum is σ = 47772407774. Its totient is φ = 47772407772.

The previous prime is 47772407707. The next prime is 47772407779. The reversal of 47772407773 is 37770427774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24730078564 + 23042329209 = 157258^2 + 151797^2 .

It is a cyclic number.

It is not a de Polignac number, because 47772407773 - 2⁹ = 47772407261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47772407779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23886203886 + 23886203887.

It is an arithmetic number, because the mean of its divisors is an integer number (23886203887).

Almost surely, 2^47772407773 is an apocalyptic number.

It is an amenable number.

47772407773 is a deficient number, since it is larger than the sum of its proper divisors (1).

47772407773 is an equidigital number, since it uses as much as digits as its factorization.

47772407773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11294304, while the sum is 55.

The spelling of 47772407773 in words is "forty-seven billion, seven hundred seventy-two million, four hundred seven thousand, seven hundred seventy-three".