48209581779 has 16 divisors (see below), whose sum is σ = 67079860992. Its totient is φ = 30739747808.

The previous prime is 48209581751. The next prime is 48209581787. The reversal of 48209581779 is 97718590284.

It is a cyclic number.

It is not a de Polignac number, because 48209581779 - 2²³ = 48201193171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48209581789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1112197 + ... + 1154729.

It is an arithmetic number, because the mean of its divisors is an integer number (4192491312).

Almost surely, 2^48209581779 is an apocalyptic number.

48209581779 is a deficient number, since it is larger than the sum of its proper divisors (18870279213).

48209581779 is a wasteful number, since it uses less digits than its factorization.

48209581779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58986.

The product of its (nonzero) digits is 10160640, while the sum is 60.

The spelling of 48209581779 in words is "forty-eight billion, two hundred nine million, five hundred eighty-one thousand, seven hundred seventy-nine".