47660038864 has 20 divisors (see below), whose sum is σ = 95525509860. Its totient is φ = 23008294400.

The previous prime is 47660038841. The next prime is 47660038889. The reversal of 47660038864 is 46883006674.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 35539790400 + 12120248464 = 188520^2 + 110092^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51357337 + ... + 51358264.

It is an arithmetic number, because the mean of its divisors is an integer number (4776275493).

Almost surely, 2^47660038864 is an apocalyptic number.

It is an amenable number.

47660038864 is an abundant number, since it is smaller than the sum of its proper divisors (47865470996).

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

47660038864 is a wasteful number, since it uses less digits than its factorization.

47660038864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102715638 (or 102715632 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 52.

The spelling of 47660038864 in words is "forty-seven billion, six hundred sixty million, thirty-eight thousand, eight hundred sixty-four".