47671673445 has 64 divisors (see below), whose sum is σ = 97892686080. Its totient is φ = 21753907200.

The previous prime is 47671673431. The next prime is 47671673449. The reversal of 47671673445 is 54437617674.

It is a happy number.

47671673445 is a `hidden beast` number, since 4 + 76 + 71 + 67 + 3 + 445 = 666.

It is not a de Polignac number, because 47671673445 - 2⁴ = 47671673429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47671673391 and 47671673400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47671673449) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 918936 + ... + 969425.

It is an arithmetic number, because the mean of its divisors is an integer number (1529573220).

Almost surely, 2^47671673445 is an apocalyptic number.

47671673445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47671673445 is an abundant number, since it is smaller than the sum of its proper divisors (50221012635).

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

47671673445 is a wasteful number, since it uses less digits than its factorization.

47671673445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888403 (or 1888397 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 54.

The spelling of 47671673445 in words is "forty-seven billion, six hundred seventy-one million, six hundred seventy-three thousand, four hundred forty-five".