49845728777 has 8 divisors (see below), whose sum is σ = 56013929664. Its totient is φ = 44010944208.

The previous prime is 49845728761. The next prime is 49845728791. The reversal of 49845728777 is 77782754894.

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 49845728777 - 2⁴ = 49845728761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49845722777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83353763 + ... + 83354360.

It is an arithmetic number, because the mean of its divisors is an integer number (7001741208).

Almost surely, 2^49845728777 is an apocalyptic number.

It is an amenable number.

49845728777 is a deficient number, since it is larger than the sum of its proper divisors (6168200887).

49845728777 is a wasteful number, since it uses less digits than its factorization.

49845728777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166708159.

The product of its digits is 221276160, while the sum is 68.

The spelling of 49845728777 in words is "forty-nine billion, eight hundred forty-five million, seven hundred twenty-eight thousand, seven hundred seventy-seven".