47647522064 has 10 divisors (see below), whose sum is σ = 92317074030. Its totient is φ = 23823761024.

The previous prime is 47647522057. The next prime is 47647522121. The reversal of 47647522064 is 46022574674.

It can be written as a sum of positive squares in only one way, i.e., 26764960000 + 20882562064 = 163600^2 + 144508^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1488985049 + ... + 1488985080.

It is an arithmetic number, because the mean of its divisors is an integer number (9231707403).

Almost surely, 2^47647522064 is an apocalyptic number.

It is an amenable number.

47647522064 is a deficient number, since it is larger than the sum of its proper divisors (44669551966).

47647522064 is a wasteful number, since it uses less digits than its factorization.

47647522064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2977970137 (or 2977970131 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 47.

The spelling of 47647522064 in words is "forty-seven billion, six hundred forty-seven million, five hundred twenty-two thousand, sixty-four".