47864924064 has 36 divisors (see below), whose sum is σ = 136115878626. Its totient is φ = 15954974592.

The previous prime is 47864924059. The next prime is 47864924101. The reversal of 47864924064 is 46042946874.

It can be written as a sum of positive squares in only one way, i.e., 36445864464 + 11419059600 = 190908^2 + 106860^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 47864924064.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83098539 + ... + 83099114.

Almost surely, 2^47864924064 is an apocalyptic number.

It is an amenable number.

47864924064 is an abundant number, since it is smaller than the sum of its proper divisors (88250954562).

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

47864924064 is a wasteful number, since it uses less digits than its factorization.

47864924064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166197669 (or 166197658 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 54.

The spelling of 47864924064 in words is "forty-seven billion, eight hundred sixty-four million, nine hundred twenty-four thousand, sixty-four".