47970687438 has 12 divisors (see below), whose sum is σ = 103936489488. Its totient is φ = 15990229140.

The previous prime is 47970687433. The next prime is 47970687451. The reversal of 47970687438 is 83478607974.

47970687438 is a `hidden beast` number, since 4 + 79 + 70 + 68 + 7 + 438 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47970687433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1332519078 + ... + 1332519113.

It is an arithmetic number, because the mean of its divisors is an integer number (8661374124).

Almost surely, 2^47970687438 is an apocalyptic number.

47970687438 is an abundant number, since it is smaller than the sum of its proper divisors (55965802050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47970687438 is a wasteful number, since it uses less digits than its factorization.

47970687438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665038199 (or 2665038196 counting only the distinct ones).

The product of its (nonzero) digits is 56899584, while the sum is 63.

The spelling of 47970687438 in words is "forty-seven billion, nine hundred seventy million, six hundred eighty-seven thousand, four hundred thirty-eight".