47397208687 has 2 divisors, whose sum is σ = 47397208688. Its totient is φ = 47397208686.

The previous prime is 47397208667. The next prime is 47397208741. The reversal of 47397208687 is 78680279374.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47397208687 - 2²³ = 47388820079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47397208637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23698604343 + 23698604344.

It is an arithmetic number, because the mean of its divisors is an integer number (23698604344).

Almost surely, 2^47397208687 is an apocalyptic number.

47397208687 is a deficient number, since it is larger than the sum of its proper divisors (1).

47397208687 is an equidigital number, since it uses as much as digits as its factorization.

47397208687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28449792, while the sum is 61.

The spelling of 47397208687 in words is "forty-seven billion, three hundred ninety-seven million, two hundred eight thousand, six hundred eighty-seven".