73777370768 has 20 divisors (see below), whose sum is σ = 142976734320. Its totient is φ = 36880149024.

The previous prime is 73777370767. The next prime is 73777370783. The reversal of 73777370768 is 86707377737.

It is a self number, because there is not a number n which added to its sum of digits gives 73777370768.

It is not an unprimeable number, because it can be changed into a prime (73777370761) 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 3 ways as a sum of consecutive naturals, for example, 461930 + ... + 600777.

It is an arithmetic number, because the mean of its divisors is an integer number (7148836716).

Almost surely, 2^73777370768 is an apocalyptic number.

It is an amenable number.

73777370768 is a deficient number, since it is larger than the sum of its proper divisors (69199363552).

73777370768 is a wasteful number, since it uses less digits than its factorization.

73777370768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067054 (or 1067048 counting only the distinct ones).

The product of its (nonzero) digits is 50824368, while the sum is 62.

The spelling of 73777370768 in words is "seventy-three billion, seven hundred seventy-seven million, three hundred seventy thousand, seven hundred sixty-eight".