47207199231938 has 32 divisors (see below), whose sum is σ = 72926350923888. Its totient is φ = 22904646553600.

The previous prime is 47207199231937. The next prime is 47207199231947. The reversal of 47207199231938 is 83913299170274.

It can be written as a sum of positive squares in 8 ways, for example, as 391128912409 + 46816070319529 = 625403^2 + 6842227^2 .

It is not an unprimeable number, because it can be changed into a prime (47207199231937) 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, 58025048 + ... + 58832988.

Almost surely, 2^{47207199231938} is an apocalyptic number.

47207199231938 is a deficient number, since it is larger than the sum of its proper divisors (25719151691950).

47207199231938 is a wasteful number, since it uses less digits than its factorization.

47207199231938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811798.

The product of its (nonzero) digits is 41150592, while the sum is 65.

The spelling of 47207199231938 in words is "forty-seven trillion, two hundred seven billion, one hundred ninety-nine million, two hundred thirty-one thousand, nine hundred thirty-eight".