77728670733035 has 12 divisors (see below), whose sum is σ = 108502879146048. Its totient is φ = 53299659931056.

The previous prime is 77728670733023. The next prime is 77728670733067. The reversal of 77728670733035 is 53033707682777.

It is not a de Polignac number, because 77728670733035 - 2⁴ = 77728670733019 is a prime.

It is a super-2 number, since 2×77728670733035² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158629940027 + ... + 158629940516.

It is an arithmetic number, because the mean of its divisors is an integer number (9041906595504).

Almost surely, 2^{77728670733035} is an apocalyptic number.

77728670733035 is a deficient number, since it is larger than the sum of its proper divisors (30774208413013).

77728670733035 is a wasteful number, since it uses less digits than its factorization.

77728670733035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317259880562 (or 317259880555 counting only the distinct ones).

The product of its (nonzero) digits is 217818720, while the sum is 65.

The spelling of 77728670733035 in words is "seventy-seven trillion, seven hundred twenty-eight billion, six hundred seventy million, seven hundred thirty-three thousand, thirty-five".