48642320779 has 16 divisors (see below), whose sum is σ = 55542775680. Its totient is φ = 42200478720.

The previous prime is 48642320737. The next prime is 48642320801. The reversal of 48642320779 is 97702324684.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48642320779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48642320719) 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, 5839 + ... + 311959.

It is an arithmetic number, because the mean of its divisors is an integer number (3471423480).

Almost surely, 2^48642320779 is an apocalyptic number.

48642320779 is a deficient number, since it is larger than the sum of its proper divisors (6900454901).

48642320779 is a wasteful number, since it uses less digits than its factorization.

48642320779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306870.

The product of its (nonzero) digits is 4064256, while the sum is 52.

The spelling of 48642320779 in words is "forty-eight billion, six hundred forty-two million, three hundred twenty thousand, seven hundred seventy-nine".