47574436777 has 12 divisors (see below), whose sum is σ = 58597086420. Its totient is φ = 38379376896.

The previous prime is 47574436769. The next prime is 47574436817. The reversal of 47574436777 is 77763447574.

It can be written as a sum of positive squares in 2 ways, for example, as 40608698256 + 6965738521 = 201516^2 + 83461^2 .

It is not a de Polignac number, because 47574436777 - 2³ = 47574436769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47574431777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28555252 + ... + 28556917.

It is an arithmetic number, because the mean of its divisors is an integer number (4883090535).

Almost surely, 2^47574436777 is an apocalyptic number.

It is an amenable number.

47574436777 is a deficient number, since it is larger than the sum of its proper divisors (11022649643).

47574436777 is a wasteful number, since it uses less digits than its factorization.

47574436777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57112200 (or 57112193 counting only the distinct ones).

The product of its digits is 96808320, while the sum is 61.

The spelling of 47574436777 in words is "forty-seven billion, five hundred seventy-four million, four hundred thirty-six thousand, seven hundred seventy-seven".