47365495087 has 4 divisors (see below), whose sum is σ = 47381516136. Its totient is φ = 47349474040.

The previous prime is 47365495069. The next prime is 47365495187. The reversal of 47365495087 is 78059456374.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47365495087 - 2¹⁹ = 47364970799 is a prime.

It is a super-2 number, since 2×47365495087² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47365495187) 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 3 ways as a sum of consecutive naturals, for example, 8006089 + ... + 8012002.

It is an arithmetic number, because the mean of its divisors is an integer number (11845379034).

Almost surely, 2^47365495087 is an apocalyptic number.

47365495087 is a deficient number, since it is larger than the sum of its proper divisors (16021049).

47365495087 is a wasteful number, since it uses less digits than its factorization.

47365495087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16021048.

The product of its (nonzero) digits is 25401600, while the sum is 58.

The spelling of 47365495087 in words is "forty-seven billion, three hundred sixty-five million, four hundred ninety-five thousand, eighty-seven".