47923821755 has 8 divisors (see below), whose sum is σ = 58318566624. Its totient is φ = 37799070400.

The previous prime is 47923821749. The next prime is 47923821773. The reversal of 47923821755 is 55712832974.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47923821755 - 2³² = 43628854459 is a prime.

It is a super-2 number, since 2×47923821755² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47923821697 and 47923821706.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67497986 + ... + 67498695.

It is an arithmetic number, because the mean of its divisors is an integer number (7289820828).

Almost surely, 2^47923821755 is an apocalyptic number.

47923821755 is a deficient number, since it is larger than the sum of its proper divisors (10394744869).

47923821755 is a wasteful number, since it uses less digits than its factorization.

47923821755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134996757.

The product of its digits is 4233600, while the sum is 53.

The spelling of 47923821755 in words is "forty-seven billion, nine hundred twenty-three million, eight hundred twenty-one thousand, seven hundred fifty-five".