47792955457 has 48 divisors (see below), whose sum is σ = 55638585072. Its totient is φ = 40888074240.

The previous prime is 47792955449. The next prime is 47792955473. The reversal of 47792955457 is 75455929774.

It is a Cunningham number, because it is equal to 218616²+1.

It can be written as a sum of positive squares in 24 ways, for example, as 46052730801 + 1740224656 = 214599^2 + 41716^2 .

It is not a de Polignac number, because 47792955457 - 2³ = 47792955449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47792955437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88341607 + ... + 88342147.

It is an arithmetic number, because the mean of its divisors is an integer number (1159137189).

Almost surely, 2^47792955457 is an apocalyptic number.

It is an amenable number.

47792955457 is a deficient number, since it is larger than the sum of its proper divisors (7845629615).

47792955457 is a wasteful number, since it uses less digits than its factorization.

47792955457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998 (or 985 counting only the distinct ones).

The product of its digits is 111132000, while the sum is 64.

The spelling of 47792955457 in words is "forty-seven billion, seven hundred ninety-two million, nine hundred fifty-five thousand, four hundred fifty-seven".