47207355257557 has 4 divisors (see below), whose sum is σ = 51498933008256. Its totient is φ = 42915777506860.

The previous prime is 47207355257551. The next prime is 47207355257611. The reversal of 47207355257557 is 75575255370274.

47207355257557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47207355257557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47207355257551) 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 in 3 ways as a sum of consecutive naturals, for example, 2145788875333 + ... + 2145788875354.

It is an arithmetic number, because the mean of its divisors is an integer number (12874733252064).

Almost surely, 2^{47207355257557} is an apocalyptic number.

It is an amenable number.

47207355257557 is a deficient number, since it is larger than the sum of its proper divisors (4291577750699).

47207355257557 is a wasteful number, since it uses less digits than its factorization.

47207355257557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4291577750698.

The product of its (nonzero) digits is 360150000, while the sum is 64.

The spelling of 47207355257557 in words is "forty-seven trillion, two hundred seven billion, three hundred fifty-five million, two hundred fifty-seven thousand, five hundred fifty-seven".