47872038687 has 32 divisors (see below), whose sum is σ = 69985126656. Its totient is φ = 28866566400.

The previous prime is 47872038673. The next prime is 47872038691. The reversal of 47872038687 is 78683027874.

It is a happy number.

It is not a de Polignac number, because 47872038687 - 2⁷ = 47872038559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47872038687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47872038647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6793588 + ... + 6800630.

It is an arithmetic number, because the mean of its divisors is an integer number (2187035208).

Almost surely, 2^47872038687 is an apocalyptic number.

47872038687 is a deficient number, since it is larger than the sum of its proper divisors (22113087969).

47872038687 is a wasteful number, since it uses less digits than its factorization.

47872038687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8071.

The product of its (nonzero) digits is 25288704, while the sum is 60.

The spelling of 47872038687 in words is "forty-seven billion, eight hundred seventy-two million, thirty-eight thousand, six hundred eighty-seven".