47485640167815 has 64 divisors (see below), whose sum is σ = 77820706275840. Its totient is φ = 24712290570240.

The previous prime is 47485640167793. The next prime is 47485640167817. The reversal of 47485640167815 is 51876104658474.

It is not a de Polignac number, because 47485640167815 - 2¹⁰ = 47485640166791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47485640167817) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3115643595 + ... + 3115658835.

It is an arithmetic number, because the mean of its divisors is an integer number (1215948535560).

Almost surely, 2^{47485640167815} is an apocalyptic number.

47485640167815 is a deficient number, since it is larger than the sum of its proper divisors (30335066108025).

47485640167815 is a wasteful number, since it uses less digits than its factorization.

47485640167815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19744.

The product of its (nonzero) digits is 180633600, while the sum is 66.

The spelling of 47485640167815 in words is "forty-seven trillion, four hundred eighty-five billion, six hundred forty million, one hundred sixty-seven thousand, eight hundred fifteen".