47877621579 has 6 divisors (see below), whose sum is σ = 69156564516. Its totient is φ = 31918414380.

The previous prime is 47877621569. The next prime is 47877621581. The reversal of 47877621579 is 97512677874.

47877621579 is a `hidden beast` number, since 478 + 7 + 7 + 6 + 2 + 157 + 9 = 666.

It is not a de Polignac number, because 47877621579 - 2⁴ = 47877621563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47877621529) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 2659867857 + ... + 2659867874.

It is an arithmetic number, because the mean of its divisors is an integer number (11526094086).

Almost surely, 2^47877621579 is an apocalyptic number.

47877621579 is a deficient number, since it is larger than the sum of its proper divisors (21278942937).

47877621579 is a wasteful number, since it uses less digits than its factorization.

47877621579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5319735737 (or 5319735734 counting only the distinct ones).

The product of its digits is 41489280, while the sum is 63.

The spelling of 47877621579 in words is "forty-seven billion, eight hundred seventy-seven million, six hundred twenty-one thousand, five hundred seventy-nine".