77345784098468 has 6 divisors (see below), whose sum is σ = 135355122172326. Its totient is φ = 38672892049232.

The previous prime is 77345784098389. The next prime is 77345784098563. The reversal of 77345784098468 is 86489048754377.

It can be written as a sum of positive squares in only one way, i.e., 60295970442304 + 17049813656164 = 7765048^2 + 4129142^2 .

It is a super-3 number, since 3×77345784098468³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 77345784098392 and 77345784098401.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9668223012305 + ... + 9668223012312.

It is an arithmetic number, because the mean of its divisors is an integer number (22559187028721).

Almost surely, 2^{77345784098468} is an apocalyptic number.

It is an amenable number.

77345784098468 is a deficient number, since it is larger than the sum of its proper divisors (58009338073858).

77345784098468 is a wasteful number, since it uses less digits than its factorization.

77345784098468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19336446024621 (or 19336446024619 counting only the distinct ones).

The product of its (nonzero) digits is 9103933440, while the sum is 80.

The spelling of 77345784098468 in words is "seventy-seven trillion, three hundred forty-five billion, seven hundred eighty-four million, ninety-eight thousand, four hundred sixty-eight".