47455869838 has 32 divisors (see below), whose sum is σ = 76992854400. Its totient is φ = 21807592416.

The previous prime is 47455869833. The next prime is 47455869871. The reversal of 47455869838 is 83896855474.

47455869838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47455869833) 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, 14559853 + ... + 14563111.

It is an arithmetic number, because the mean of its divisors is an integer number (2406026700).

Almost surely, 2^47455869838 is an apocalyptic number.

47455869838 is a deficient number, since it is larger than the sum of its proper divisors (29536984562).

47455869838 is a wasteful number, since it uses less digits than its factorization.

47455869838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5536.

The product of its digits is 232243200, while the sum is 67.

The spelling of 47455869838 in words is "forty-seven billion, four hundred fifty-five million, eight hundred sixty-nine thousand, eight hundred thirty-eight".