47536644887 has 2 divisors, whose sum is σ = 47536644888. Its totient is φ = 47536644886.

The previous prime is 47536644829. The next prime is 47536644899. The reversal of 47536644887 is 78844663574.

47536644887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47536644887 - 2⁶ = 47536644823 is a prime.

It is a super-2 number, since 2×47536644887² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47536644817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23768322443 + 23768322444.

It is an arithmetic number, because the mean of its divisors is an integer number (23768322444).

Almost surely, 2^47536644887 is an apocalyptic number.

47536644887 is a deficient number, since it is larger than the sum of its proper divisors (1).

47536644887 is an equidigital number, since it uses as much as digits as its factorization.

47536644887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108380160, while the sum is 62.

The spelling of 47536644887 in words is "forty-seven billion, five hundred thirty-six million, six hundred forty-four thousand, eight hundred eighty-seven".