47470824392 has 8 divisors (see below), whose sum is σ = 89007795750. Its totient is φ = 23735412192.

The previous prime is 47470824371. The next prime is 47470824409. The reversal of 47470824392 is 29342807474.

It can be written as a sum of positive squares in only one way, i.e., 43686852196 + 3783972196 = 209014^2 + 61514^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×47470824392² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47470824392.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2966926517 + ... + 2966926532.

Almost surely, 2^47470824392 is an apocalyptic number.

It is an amenable number.

47470824392 is a deficient number, since it is larger than the sum of its proper divisors (41536971358).

47470824392 is a wasteful number, since it uses less digits than its factorization.

47470824392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5933853055 (or 5933853051 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 50.

The spelling of 47470824392 in words is "forty-seven billion, four hundred seventy million, eight hundred twenty-four thousand, three hundred ninety-two".