47579798578 has 16 divisors (see below), whose sum is σ = 78119671896. Its totient is φ = 21599907840.

The previous prime is 47579798573. The next prime is 47579798593. The reversal of 47579798578 is 87589797574.

47579798578 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6647630089 + 40932168489 = 81533^2 + 202317^2 .

It is not an unprimeable number, because it can be changed into a prime (47579798573) 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, 14998351 + ... + 15001522.

Almost surely, 2^47579798578 is an apocalyptic number.

47579798578 is a deficient number, since it is larger than the sum of its proper divisors (30539873318).

47579798578 is a wasteful number, since it uses less digits than its factorization.

47579798578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29999949.

The product of its digits is 1244678400, while the sum is 76.

The spelling of 47579798578 in words is "forty-seven billion, five hundred seventy-nine million, seven hundred ninety-eight thousand, five hundred seventy-eight".