47879544769 has 8 divisors (see below), whose sum is σ = 54831843968. Its totient is φ = 40955336640.

The previous prime is 47879544749. The next prime is 47879544809. The reversal of 47879544769 is 96744597874.

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

It is a cyclic number.

It is not a de Polignac number, because 47879544769 - 2¹³ = 47879536577 is a prime.

It is a super-2 number, since 2×47879544769² (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 = 47879544698 and 47879544707.

It is not an unprimeable number, because it can be changed into a prime (47879544749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7019112 + ... + 7025929.

It is an arithmetic number, because the mean of its divisors is an integer number (6853980496).

Almost surely, 2^47879544769 is an apocalyptic number.

It is an amenable number.

47879544769 is a deficient number, since it is larger than the sum of its proper divisors (6952299199).

47879544769 is a wasteful number, since it uses less digits than its factorization.

47879544769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14045535.

The product of its digits is 426746880, while the sum is 70.

The spelling of 47879544769 in words is "forty-seven billion, eight hundred seventy-nine million, five hundred forty-four thousand, seven hundred sixty-nine".