77330485617 has 16 divisors (see below), whose sum is σ = 128549379072. Its totient is φ = 40171680720.

The previous prime is 77330485511. The next prime is 77330485627. The reversal of 77330485617 is 71658403377.

It is not a de Polignac number, because 77330485617 - 2¹⁴ = 77330469233 is a prime.

It is a super-2 number, since 2×77330485617² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 77330485617.

It is not an unprimeable number, because it can be changed into a prime (77330485627) 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, 167381773 + ... + 167382234.

It is an arithmetic number, because the mean of its divisors is an integer number (8034336192).

Almost surely, 2^77330485617 is an apocalyptic number.

77330485617 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

77330485617 is a deficient number, since it is larger than the sum of its proper divisors (51218893455).

77330485617 is a wasteful number, since it uses less digits than its factorization.

77330485617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334764028.

The product of its (nonzero) digits is 2963520, while the sum is 51.

The spelling of 77330485617 in words is "seventy-seven billion, three hundred thirty million, four hundred eighty-five thousand, six hundred seventeen".