47866137015 has 16 divisors (see below), whose sum is σ = 76655914848. Its totient is φ = 25505241216.

The previous prime is 47866137013. The next prime is 47866137017. The reversal of 47866137015 is 51073166874.

47866137015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (47866137013) and next prime (47866137017).

It is not a de Polignac number, because 47866137015 - 2¹ = 47866137013 is a prime.

It is a super-2 number, since 2×47866137015² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47866137013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1443384 + ... + 1476173.

It is an arithmetic number, because the mean of its divisors is an integer number (4790994678).

Almost surely, 2^47866137015 is an apocalyptic number.

47866137015 is a deficient number, since it is larger than the sum of its proper divisors (28789777833).

47866137015 is a wasteful number, since it uses less digits than its factorization.

47866137015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920658.

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 47866137015 in words is "forty-seven billion, eight hundred sixty-six million, one hundred thirty-seven thousand, fifteen".